Increase (Decrease) in Uncertain Tax Position Asset Increase in uncertain tax position asset The increase (decrease) during the reporting period in the value of asset recognized for uncertain tax positions as of the balance sheet date not separately disclosed in the statement of cash flows. Land Parcel Near Seaport [Member] Land parcel near the Seaport Represents information pertaining to land parcel near the Seaport. Investment in Deposits Purchase of deposits Represents the aggregate of all deposit assets held by the entity. Net Change in Tax Indemnity Receivable Net increase in tax indemnity receivable The net increase or decrease in tax indemnity receivable, including the increase in related interest income and gains or losses on remeasurement. Summerlin Apartments LLC [Member] Summerlin Apartments, LLC Represents information pertaining to Summerlin Centre Apartments, LLC, a joint venture entity. Increase (Decrease) in Prepaid Expenses and Other Assets Restricted Condominium Deposits Increase in restricted condominium deposits Represents the increase (decrease) in restricted condominium deposits during the reporting period. Number of New Market Rate Towers Number of new market rate towers Represents the number of new market rate towers. Increase (Decrease) in Prepaid Expenses and Other Assets Intangibles Increase in intangibles Represents the increase (decrease) in intangibles during the reporting period. Number of anchor tenants Represents the number of anchor tenants. Number of Anchor Tenants Represents the partner's capital contribution to the equity method investee which is distributed to the entity. Amount of Contribution to Joint Venture by Co Venturer Distributed Distribution of the cash contributed by joint venture partner Amendment Description Outlet at Riverwalk Represents the information pertaining to properties owned by The Outlet at Riverwalk, that was acquired by the entity. Outlet at Riverwalk Properties [Member] Amendment Flag Area of Real Estate Property to be Constructed Area of real estate property to be constructed (in square feet) Represents the area of real estate property to be constructed. Contribution of Property Transaction Value of Per Constructed Unit Transaction value, per constructed unit of land contributed to joint venture Represents the amount of transaction value, per constructed unit of land contributed to joint venture. Number of spaces in parking garage Represents the number of spaces available in parking garage. Number of Spaces in Parking Garage Number of office buildings Represents the number of office buildings to be constructed by using proceeds from loan. Number of Office Buildings to be Constructed Using Proceeds of Loan Number of mixed-use towers at Ward Village for which unanimous approval has been received from HCDA Represents the number of mixed-use towers for which unanimous approval has been received from Hawaii Community Development Authority. Number of Mixed Use Towers for which Unanimous Approval has been Received from Authority Condominium Development Expenditures Represents condominium development expenditures during the period. Condominium development expenditures Deferred Revenue from Sale of Condominium Rights Represents the cash inflow associated with deferred revenue from sale of condominium rights. Deferred revenue from sale of condominium rights Master Planned Community Cost of Sales Represents master planned community cost of sales. Master Planned Community cost of sales Master Planned Community Development Expenditures Represents master planned community development expenditures during the period. Master Planned Community development expenditures Non Cash Increase in Property Due to Consolidation of Real Estate Affiliate Represents the value of property increased due to consolidation of Real Estate Affiliate in noncash transactions. Non-cash increase in Property due to consolidation of Real Estate Affiliate Area of property sold (in square feet) Area of Real Estate Property Area of real estate property (in square foot) Transfer of Condominium Buyer Deposits to Real Estate Affiliate Represents the value of condominium buyer deposits transferred to Real Estate Affiliate in noncash transactions. Transfer of condominium buyer deposits to Real Estate Affiliate Area of site (in acres) Area of land (in acres) Area of Land Proceeds from Sales of Condominium Rights Net cash proceeds from sale of condominium rights Represents the cash proceeds from the sale of in substance real estate. Proceeds from sale of condominium rights Percentage of in Substance Real Estate Sold Represents the percentage of in substance real estate sold. Percentage of in substance real estate sold Percentage of Ownership Interest in Joint Venture Held by Co Venturer Percentage of ownership interest of partners in joint venture Represents the percentage of equity interest held by partners in the joint venture. A and B Properties Inc [Member] A & B Properties, Inc. Represents information pertaining to A & B Properties, Inc. Maximum Builder Participation in Joint Venture Maximum share in the profits of joint venture Represents the maximum builder's participation in joint venture. Current Fiscal Year End Date Award Type [Axis] Additional improvements made in the venture Represents the amount of capital investment in the joint venture which is accounted using equity method investments. Equity Method Investments Capital Investment in Joint Venture Note receivable from GGP, interest rate (as a percent) Investment Interest Rate S808 or 810 [Member] S808/810 Represents S808/810, a special improvement district bond that is bearing interest at 7.13 percent and maturing in April 2031. Loan to Acquire Airplane [Member] Loan to acquire company airplane Represents information pertaining to the loan taken to acquire airplane. Income Tax Reconciliation Tax at Statutory Rate on REIT Entity Earnings Not Subject to Federal Income Taxes Tax at statutory rate on REIT entity earnings not subject to Federal income taxes The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to tax at statutory rate on REIT entity earnings not subject to Federal income taxes under enacted tax laws. Non-deductible warrant liability (gain) loss The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to warrant liability (gain) loss. Income Tax Reconciliation, Nondeductible Expense Warrant Liability Gain (Loss) The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to interest on income tax contingencies, net of Federal income tax benefit during the period. Income Tax Reconciliation Uncertain Tax Position Interest Net of Federal Income Tax Benefit Uncertain tax position interest, net of Federal income tax benefit Amount before allocation of valuation allowances of deferred tax asset attributable to interest deduction carryforwards. Deferred Tax Assets, Interest Deduction Carryforwards Interest deduction carryforwards Property Associated with Master Planned Communities, primarily differences in the tax basis of land assets and treatment of interest and other costs Amount of deferred tax liability attributable to differences in the tax basis of land assets and treatment of interest and other costs for real estate property. Deferred Tax Liabilities, Real Estate Property Operating and Strategic Development properties, primarily differences in basis of assets and liabilities Amount of deferred tax liability attributable to taxable temporary differences from operating property, primarily differences in basis of assets and liabilities. Deferred Tax Liabilities, Operating Property Deferred tax liabilities related to land and buildings Acquisition Note Related This element represents acquisition note related to the woodlands. Acquisition note related to The Woodlands (See Note 4) Acquisition note related to The Woodlands (See Note 3) ACQUISITIONS AND DISPOSITIONS Document Period End Date Amortization of Intangibles Other than in Place Leases Amortization of intangibles other than in-place leases The aggregate expense charged against earnings to allocate the cost of intangible assets other than in place lease (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization of intangibles other than in-place leases Represents the amount of combined deficiencies as determined by the tax authority, which was sought to be overturned by the petition filed by the predecessor. Amount of Combined Deficiencies Determined by Tax Authority Sought to be Overturned by Petition Filed by Predecessor Amount of combined deficiencies determined by the IRS sought to be overturned by the petition filed Area of land contributed to the joint venture (in acres) Area of land contributed to the joint venture (in acres) Represents the area of the land contributed to the joint venture by the entity. Area of Land Contributed to Joint Venture Represents area of property to be constructed by using proceeds from loan. Area of Property to be Constructed Using Proceeds of Loan Area of office building to be constructed using proceeds from loan Area of construction (in acres) Bridgeland [Member] Bridgeland Represents the information pertaining to Bridgeland, a property owned by the entity. Represents the information pertaining to Bridges at Mint Hill, LLC, a real estate affiliate of the entity. Bridges at Mint Hill Bridges at Mint Hill, LLC Bridges at Mint Hill L L C [Member] Other Corporate Financing Arrangements Represents the details pertaining to the other financing arrangements. Other Financing Arrangements [Member] Other Corporate Financing Revenue from sale under builder price participation during the period. Builder price participation Builder Price Participation Revenue The fair value of Building and equipment acquired in noncash investing or financing activities. Building and Equipment Building and equipment Entity [Domain] Business Acquisition, Additional Percentage of Voting Interests Acquired Percentage of additional voting equity interests acquired in the business combination. Percentage of legal interest acquired Represents the percentage of economic interest acquired in the business combination. Economic interest acquired from partner (as a percent) Business Acquisition, Percentage of Economic Interest Acquired Percentage of economic interest acquired Circle T [Member] Circle T Ranch and Power Center Represents the information pertaining to Circle T, a real estate affiliate of the entity. Class of Warrant or Right, Estimated Initial Value Estimated initial value Represents the estimated initial value of warrants issued that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. The percentage of ownership in a real estate property that is consolidated within the entity's financial statements. Ownership percentage Consolidated Property Ownership Percentage Acquisition of Millennium Waterway Apartments: Consolidation of Partner's Interest [Abstract] Cost of Land Sales Operations Land sales operations The aggregate costs related to land sales operations. Cost of Land Sales Real Estate and Business Taxes Land sales real estate and business taxes The aggregate costs related to land sales real estate and business taxes. Debt Instrument, Amount to which Debt to be Amortized Ratably after Interest Only Period Amount to which debt will amortize ratably through maturity following an interest-only period Represents the amount to which the principal balance of the debt instrument is to be amortized ratably through maturity following an interest-only period. Debt Instrument, Annual Principal Payments as Percentage of Outstanding Principal Balance Annual principal payments as a percentage of outstanding principal balance Represents the annual principal payment required after the second year of the debt agreement pertaining to a debt instrument expressed as a percentage of outstanding principal balance. Debt Instrument, Cash Balance Required to be Maintained Cash balance required to be maintained Represents the amount of cash balance required to be maintained under the terms of a debt instrument. Represents the number of rooms in a property serving as collateral for the debt instrument. Debt Instrument, Collateral Number of Rooms Number of rooms in property securing debt (in rooms) Debt Instrument, Corporate Recourse Guarantee Amount Corporate recourse guarantee amount Represents the corporate recourse guarantee amount related to debt instrument. Debt Instrument, Drawing Restriction Additional Loan Proceeds Percentage of Debt Yield Percentage of debt yield to draw additional loan proceeds Represents the percentage of debt yield required, in order to draw additional loan proceeds under the facility. Debt Instrument, Drawing Restriction Loan to Value Ratio Loan to value ratio to draw additional loan proceeds (as a percent) The loan to value ratio of the debt instrument allowed, in order to draw additional loan proceeds under the facility. Purchase of land from GGP Represents the value of land acquired from third party as a part of non-cash transaction. Acquisition of Land from Affiliates MPC Land contributed to Real Estate Affiliate MPC land contributed to Real Estate Affiliate. Land Contributed to Real Estate Affiliate Debt Instrument, Extension Period at Borrowers Option Extension period at borrower's option Represents the extension period at borrower's option related to debt instrument. Debt Instrument, Net Worth Required to be Maintained Net worth required to be maintained Represents the amount of net worth required to be maintained under the terms of a debt instrument. Number of extension options Represents the number of extension options available pertaining to a debt instrument. Debt Instrument, Number of Extension Options Debt Instrument, Period for which Fixed Interest Rate is Applicable Period for which interest rate is fixed Represents the period at the start of the debt agreement for which the fixed rate of interest is applicable on a debt instrument. Debt Instrument, Period for which Floating Interest Rate is Applicable Period for which interest rate is floating Represents the period following the fixed interest rate period for which the floating rate of interest is applicable on a debt instrument. Debt Instrument, Period for Real Estate Taxes and Debt Service to be Escrowed with Lender Period of real estate taxes and debt service required to be escrowed with the lender Represents the future period for which the amount of real estate taxes and debt service are required to be escrowed with the lender under the terms of the debt instrument. Development Loan Represents a development loan maturing in June 2015. Development Loan [Member] Document and Entity Information Equity in earnings from Real Estate Affiliates Equity in Earnings (Loss) from Real Estate Affiliates This element represents equity in earnings (loss) from real estate affiliates or dividends from cost method investments. Share of Earnings/Dividends Equity in Earnings from Real Estate and Other Affiliates Tax effect of settled derivative gains and losses, associated with hedged variable debt for which the underlying interest is capitalizable. Capitalized swap interest, deferred tax benefit Other Comprehensive Income, Capitalized Swap Interest Tax Information by major type or class of finite Lived intangible assets or liabilities. Finite Lived Intangible Assets and Liabilities, by Major Class [Axis] The major class of finite Lived intangible assets and liabilities. Finite Lived Intangible Assets and Liabilities, by Major Class [Domain] Finite Lived Intangible Liabilities, Net Net carrying amount Represents the net carrying value of major finite-lived intangible liabilities class as of the balance sheet date. Represents the information pertaining to Forest View/Timber mill Apartments, a real estate affiliate of the entity. Forest View Timbermill Apartments [Member] Forest View/Timbermill Apartments General Growth Properties [Member] Represents General Growth Properties, Inc., the primary successor entity to the reporting entity's predecessor, GGP, Inc. GGP Ground leases acquired as part of a real property acquisition at above market lease rate. Ground Leases above Market [Member] Above-market ground leases Below-market ground leases Ground leases acquired as part of a real property acquisition at below market lease rate. Ground Leases below Market [Member] HHMK Development HHMK Development LLC [Member] Represents the information pertaining to HHMK Development, LLC, a real estate affiliate of the entity. Income Taxes [Line Items] Income taxes Disclosures pertaining to income taxes. Income Taxes [Table] Investment in Real Estate Affiliate Basis Adjustment Represents the investment in real estate affiliate basis adjustment. Investment in Real Estate Affiliate basis adjustment Investment in Real Estate Affiliate basis adjustment Percentage of completion revenue recognition from sale of condominium rights Represents the information pertaining to 2201 Lake Woodlands Drive, a property owned by The Woodlands, that was acquired by the entity. Lake Woodlands Drive 2201 [Member] 2201 Lake Woodlands Drive Represents a land loan maturing in June 2022. Land Loan [Member] Land Loan Land One Land The fair value of land acquired in noncash investing or financing activities. The total amount of the contingent obligation under letters of credit and surety bonds outstanding as of the reporting date. Amount of outstanding letters of credit and surety bonds Letters of Credit and Surety Bonds Outstanding Amount Represents the Management Warrants, a type of the warrant that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Management Warrants [Member] Management Warrants Master Planned Communities [Member] Master Planned Communities Represents the Master Planned Communities, a reportable segment of the entity. It includes the development and sale of land, in large-scale, long-term community development projects in and around Las Vegas, Nevada; Houston, Texas and Columbia, Maryland. Entity Well-known Seasoned Issuer Maximum Period for Rent Credit Maximum period for rent credit Represents the maximum period during which the entity is entitled to a rent credit under the agreement. Entity Voluntary Filers Millennium Waterway Apartments Millennium Waterway Apartments [Member] Represents information pertaining to Millennium Waterway Apartments, a property owned by the entity. Entity Current Reporting Status Millennium Woodlands Phase II LLC [Member] Millennium Phase II, LLC Represents the information pertaining to Millennium Woodlands Phase II, LLC., a real estate affiliate of the entity. Entity Filer Category Mortgages, Notes and Loans Payable. Mortgages, notes and loans payable The fair value of mortgages notes and loans assumed in noncash investing or financing activities related to our acquisition. Entity Public Float Municipal Utility District Receivables For unclassified balance sheet, amounts due from municipal Utility district in the normal course of business includes principal and interest amounts. Municipal Utility District receivables, net Entity Registrant Name 9303 New Trails Represents the information pertaining to 9303 New Trails, a property owned by The Woodlands, that was acquired by the entity. New Trails 9303 [Member] Entity Central Index Key Represents the number of its predecessor's former taxable real estate investment trust subsidiaries transferred to the reporting entity and subject to litigation with the Internal Revenue Service, for which the predecessor filed a motion to consolidate the cases. Number of Former Taxable REIT Subsidiaries Subject To Litigation for which Motion is Filed to Consolidate Cases Number of former taxable REIT subsidiaries subject to litigation for which motion is filed to consolidate cases Represents the number of stories of the building to be constructed using proceeds from loan. Number of Stories of Building to be Constructed Using Proceeds of Loan Number of stories of building to be constructed with loan proceeds Number of units in Class A apartment building to be constructed Number of multi-family units to be constructed Number of units in Class A boutique apartment building to be constructed Represents the number of units in a real estate property to be constructed. Number of Units in Real Estate Property to be Constructed Number of units in Class A multi-family unit in The Woodlands Town Center to be constructed Operating Assets [Member] Operating Assets Represents the Operating Assets, a reportable segment of the entity. It includes commercial, mixed use and retail properties currently generating revenues. Operating Properties Entity Common Stock, Shares Outstanding OTHER ASSETS AND LIABILITIES Other assets and liabilities Other Assets and Liabilities [Line Items] Other Assets and Liabilities [Text Block] OTHER ASSETS AND LIABILITIES Entire disclosure of other assets and other liabilities of the entity. Other Assets Noncash Other assets The fair value of other assets acquired in noncash investing or financing activities. Settled derivative gains and losses, net of tax, associated with hedged variable debt for which the underlying interest is capitalizable. Other Comprehensive Income Capitalized Swap Interest Net of Tax Capitalized swap interest Capitalized swap interest, net of tax $100 and $377 for the six months ended June 30, 2014 and 2013, respectively Other land revenues Other Land Revenues This element represents other land revenues. Other Liabilities Noncash Other liabilities The fair value of other liabilities assumed in investing or financing activities related to our acquisition. Represents the partner's capital contribution to the equity method investee. Partner's capital contribution to equity method investee Payment of Contribution to Joint Venture by Co Venturer Cash contributed by joint venture partner Debt Instrument, Blended Interest Rate Percentage Blended interest rate (as a percent) Represents the blended interest rate on debt instrument. Debt Instrument, Option to Extend Term Option to extend, term Represents the period of option to extend the term of the debt instrument. Represents the value of prepetition liabilities funded by third party as a part of non-cash transaction. Prepetition liabilities funded by GGP Prepetition liabilities funded by GGP Prepetition Liabilities Funded Real Estate Consolidated and Unconsolidated Properties [Member] Segment Basis Real estate properties and units within those properties that are wholly or partially owned. Real Estate Partnership Revenue Less: The Woodlands Partnerships revenues Represents the amount of revenue from a former equity method investment that is now consolidated, included in segment revenue for comparability between periods. Real Estate Property Earnings before Taxes REP EBT Represents operating revenues less operating expenses from MPC, Operating and Strategic Development segments. REP EBT Venture partner share of The Woodlands EBT Represents the venture partner share of operating revenues of real estate properties less property operating expenses. Real Estate Property Earnings before Taxes Venture Partner Share Real Estate Property Expenses Total expenses Represents the total of real estate property operating expenses. Represents the information pertaining to an affiliate of TPMC Realty Services Group, Inc., which is a related party of the entity. Related Party Affiliate [Member] Affiliate of TPMC Document Fiscal Year Focus Reimbursement of expenses related to Mr. Weinreb's employment included in general and administrative expenses Represents the amount of expenses for which reimbursement was made to the related party during the period. Related Party Transaction Reimbursement Expense to Related Party Document Fiscal Period Focus Related Party Transactions Annual Rental Expenses under Lease Agreement Annual rental expenses under lease agreement Represents the annual rental expenses under lease agreement with related party. Related Party Transactions Office Space under Lease Agreement Office space in Los Angeles, California under lease agreement (in sq. ft.) Represents the area of office space for which the entity entered into a lease agreement with related party. Resort and Conference Center [Member] Represents the information pertaining to Resort and Conference Center, a property owned by The Woodlands, that was acquired by the entity. The Woodlands Resort and Conference Center The Woodlands Resort & Conference Center S108 [Member] S108 Represents S108, a special improvement district bond bearing interest at 5.95% and maturing in December 2016. Represents S124, a special improvement district bond bearing interest at 5.95% and maturing in December 2019. S124 [Member] S124 Represents S128C, a special improvement district bond bearing interest at 6.05% and maturing in December 2030. S128C [Member] S128C S128 [Member] S128 Represents S128, a special improvement district bond bearing interest at 7.30% and maturing in December 2020. S132 [Member] S132 Represents S132, a special improvement district bond bearing interest at 7.88% and maturing in December 2020. S151 [Member] S151 Represents S151, a special improvement district bond bearing interest at 6.00% and maturing in June 2025. Schedule of Mortgages Notes and Loans Payable by Property [Table Text Block] Schedule of mortgages, notes and loans payable by property Tabular disclosure of the information pertaining to mortgages, notes and loans payable by property of the entity. Schedule of Other Assets and Liabilities [Table] Information related to significant components of other assets and liabilities of the entity. Legal Entity [Axis] Expiration period Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Share Based Compensation Arrangement by Share Based Payment, Award Expiration Period Document Type Share Based Compensation Arrangement by Share Based Payment Award Exercisable Period Represents the exercisable period of options. Exercisable period SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Share of Entity in Secured Debt Share of the entity in secured debt Represents the reporting entity's proportionate share in indebtedness secured by the properties owned by real estate affiliates as on balance sheet date. Shops at Summerlin Centre [Member] Downtown Summerlin Represents the information pertaining to The Shops at Summerlin Centre, a part of the Summerlin property owned by the entity. The Shops at Summerlin Alameda Plaza Site in Pocatello Idaho [Member] Site in Pocatello, Idaho (Alameda Plaza) Represents information pertaining to the site located in Pocatello, Idaho. Special Improvement District Bond Transfers Associated with Land Sales This element represents special improvement district bond transfers associated with land sales. Special Improvement District bond transfers associated with land sales Special Improvement District bond transfers associated with land sales Special Improvement District receivable Represents the carrying amount of the reimbursement receivable for principal paid on Special Improvement District bonds including interest. Special Improvement District Receivable Sponsors Warrants Represents the Sponsors Warrants, a type of the warrant that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Sponsors Warrants [Member] Columbia Regional Building [Member] Columbia Regional Building Represents information pertaining to Columbia Regional Building, a property owned by the entity. Fairholme Fund and Fairholme Focused Income Fund [Member] Fairholme Fund and the Fairholme Focused Income Fund Represents information pertaining to the Fairholme Fund and the Fairholme Focused Income Fund. Stewart Title Stewart Title [Member] Represents the information pertaining to Stewart Title, a real estate affiliate of the entity. Represents the Strategic Developments, a reportable segment of the entity. It includes all properties held for development and redevelopment, including the current rental property operations as well as one residential condominium project located in Natick (Boston), Massachusetts. Strategic Developments [Member] Strategic Developments Represents the information pertaining to Summerlin Acquisition properties owned by the entity. Summerlin [Member] Summerlin Represents the information pertaining to Summerlin South, a part of the Summerlin property owned by the entity. Summerlin South [Member] Summerlin South TMPC Represents the information pertaining to TPMC Realty Services Group, Inc., which is a related party of the entity. TPMC Realty Services Group Inc [Member] Represents the amount of losses, claims, damages, liabilities and reasonable expenses directly attributable to certain taxes related to the sale of certain assets, which is indemnified by the predecessor. Tax Indemnity Cap Amount Indemnified by Predecessor Amount of certain taxes indemnified by related party Receivable Type [Axis] Tax Indemnity Cap Percentage Indemnified by Predecessor Percentage of certain taxes indemnified by related party Represents the percentage of losses, claims, damages, liabilities and reasonable expenses directly attributable to certain taxes related to the sale of certain assets, which is indemnified by the predecessor. Annual rent escalation rate (as a percent) Represents the annual escalation rate for annual ground rate as per the terms of ground lease. Annual Ground Rent Escalation Rate Amount of interest income receivable on the Tax Indemnity receivable Represents the amount of interest income receivable related to certain taxes indemnified by the predecessor. Tax Indemnity Interest Receivable Tax Indemnity Receivable Including Interest Carrying amount due from GGP as of the balance sheet date representing potential recoveries based on agreed-upon resolutions of disputes. Tax indemnity receivable, including interest Tenant leases acquired as part of a real property acquisition at above market lease rate. Tenant Leases above Market [Member] Above-market tenant leases Term loan Represents the information pertaining to the term loan facility which is provided under the credit agreement. Term Loan [Member] Wacker110N [Member] 110 N. Wacker Represents the information pertaining to 110 N. Wacker, a property owned by the entity. Ward Village Ward Village [Member] Represents information pertaining to Ward Village, a property owned by the entity. Victoria Ward Warrant liability gain (loss) The net change in the difference between the comparative fair values (warrant liability) at each balance sheet date resulting in a gain (loss) in earnings for the period. Warrant liability loss Warrant liability loss Warrant Liability Gain (Loss) Represents the information pertaining to 4 Waterway, a property owned by The Woodlands, that was acquired by the entity. Waterway 4 [Member] 4 Waterway Square 4 Waterway Represents the information pertaining to 20/25 Waterway, a property owned by The Woodlands, that was acquired by the entity. 20/25 Waterway Avenue 20/25 Waterway Waterway Square 2025 [Member] Represents the information pertaining to 3 Waterway Square, a property owned by The Woodlands, that was acquired by the entity. 3 Waterway Square Office Waterway Square 3 [Member] 3 Waterway Square Woodlands [Member] The Woodlands Represents TWCPC Holdings, L.P., the Woodlands Operating Company, L.P. and TWLDC, Holdings, L.P. (collectively referred to as The Woodlands), located near Houston, Texas. Woodlands Properties [Member] The Woodlands Represents the information pertaining to properties owned by The Woodlands, that was acquired by the entity. Woodlands Sarofim Woodlands Sarofim 1 [Member] Represents the information pertaining to Woodlands Sarofim 1, a real estate affiliate of the entity. The percentage of economic ownership participation in the investee. Economic/Legal ownership (as a percent) Equity Method Investment Economic Ownership Percentage Percentage of Occupancy after Executing Lease Percentage of occupancy after lease is executed Represents the percentage of occupancy by the tenants of the real estate property after the lease is executed. INTANGIBLES Intangibles Disclosure [Text Block] Disclosure for all or part of the information related to intangible assets and liabilities. Represents the number of units acquired in real estate property by the entity. Number of units acquired in real estate property Number of Units Acquired in Real Estate Property Tax effect, net of reclassification adjustments, of the change in accumulated gain (loss) from settled derivative instruments for which the underlying interest is capitalizable. Capitalized swap interest, tax Other Comprehensive Income (Loss) Derivatives Not Qualifying as Hedges Tax Distribution from Millennium Waterway Apartments Proceeds Returned Capital from Distributions Received from Real Estate Partnerships The cash inflow from earnings and return of capital received from real estate partnerships. Secured Debt Real Estate Affiliates Secured debt Real Estate Affiliates carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. Real Estate Affiliates increase of additional borrowings on existing and new debt instruments. Real Estate Affiliates Debt Instrument Increase Additional Borrowings Construction loan secured Columbia Corporate Center 70 [Member] 70 Columbia Corporate Center NEW Represents information pertaining to 70 Columbia Corporate Center, a property owned by the entity. Represents information pertaining to One Hughes Landing, a property owned by the entity. One Hughes Landing [Member] One Hughes Landing Net book value of existing economic interest In a business combination achieved in stages, this element represents the book value of the equity interest in the acquiree held by the acquirer before the acquisition date. Business Combination, Step Acquisition Equity Interest in Acquiree Book Value Number of Local Developers Represents the number of local developers. Number of local developers with whom the entity entered into a joint venture Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities [Member] Accounts payable and accrued expenses KR Holdings KR Holdings, LLC Represents information pertaining to KR Holdings, LLC with whom the entity entered into a joint venture. KR Holdings LLC [Member] Mezzanine loan agreements Represents information pertaining to mezzanine loan agreements. Mezzanine Loan [Member] Represents the number of debt instruments. Number of Debt Instruments Number of debt instruments Percentage of Real Estate Property Leased Percentage of building leased at closing Represents the portion of real estate property which is leased, expressed as a percentage. Area of Real Estate Property Leased Area of building leased Represents the area of real estate property leased by the entity simultaneous with the acquisition. Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Master Planned Community Assets Master Planned Community Assets Amount of master planned community assets acquired at the acquisition date. Equity Method Investment Ownership, Percentage before Acquiring Additional Interest Ownership percentage before acquiring additional interest Represents the interest in equity method investment before acquiring additional interest. Percentage of Appreciation in Market Value of Real Estate Percentage of appreciation in the market value of building Represents the lenders percentage appreciation in the market value o real estate. Preferred return, on capital (as a percent) Preferred Return on Capital Represents the percentage of preferred return on the capital of the entity. Ownership Ratio in Joint Venture Agreement Represents the ownership ratio in a joint venture agreement. Ownership ratio in a joint venture (as a percent) Accounts receivable, net Accounts Receivable, Net Tax Indemnity Receivable Including Interest Fair Value Disclosure Tax indemnity receivable, including interest Represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents amount due from GGP as of the balance sheet date representing potential recoveries based on agreed-upon resolutions of disputes. Percentage of Cumulative Preferred Return on Real Estate Investment Percentage of cumulative preferred return on the property Represents the percentage of cumulative preferred return after debt service on amount invested in property. Percentage of cumulative preferred return after debt service on amount invested in property Total accounts payable and accrued expenses Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Percentage Distribution of Excess Proceeds after Repayment of Debt and Preferred Return Percentage distribution of excess proceeds after repayment of outstanding debt and preferred return Represents the percentage distribution of excess proceeds after repayment of outstanding debt and preferred return. Represents information pertaining to Brookfield Asset Management, Inc. Brookfield Asset Management Inc [Member] Brookfield Represents information pertaining to Blackstone Real Estate Partners. Blackstone Real Estate Partners [Member] Blackstone Real Estate Partners Class of Warrant or Right, Number of Securities under Warrants Repurchased Number of shares of common stock under warrants repurchased Number of securities called by warrants which are repurchased during the period. Repurchase of Warrants Cash Consideration Paid Net of Exercise Price Represents the cash consideration paid by the entity net of exercise price, to reacquire the right to purchase equity shares at a predetermined price. Cash consideration paid net of exercise price Equipment Tenant Improvements and Fixtures [Member] Equipment, tenant improvements and fixtures Represents information pertaining to equipment, tenant improvements and fixtures. Real Estate Change in Land Change in land Amount of change in land related to real estate investments during the period. Real Estate Dispositions and Write Offs Dispositions and write-offs and land costs of sales Amount of decrease in the carrying amount of real estate investments during the period due to dispositions and write-offs. Real Estate Accumulated Depreciation, Dispositions and Write Offs Dispositions and write-offs Decreases in accumulated depreciation for the period attributed to real estate dispositions and write-offs. Represents the damage due to flooding caused by super storm Sandy. Damage Due to Flooding [Member] Damage due to flooding INTANGIBLES Summary of intangible assets and liabilities Tabular disclosure of amortizable finite-lived intangibles assets and liabilities, in total and by major class, including the gross carrying amount and accumulated amortization by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the entity. Schedule of Finite Lived Intangible Assets and Liabilities [Table Text Block] Finite Lived Intangible Liability, Gross Gross Liability Sum of the gross carrying amounts before accumulated amortization, as of the balance sheet date, of all intangible liabilities having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible liability class. Accumulated Accretion Represents the accumulated amount of accretion of a major finite-lived intangible liability class. Finite Lived Intangible Liability Accumulated Accretion Accounts Payable and Accrued Liabilities [Abstract] Accounts Payable and Accrued Expenses Net Carrying Amount Represents the aggregate sum of gross carrying value of a major finite-lived intangible liability class, less accumulated amortization and any impairment charges. Finite Lived Intangible Liability, Net Represents the net amount of amortization of intangible assets and accretion of intangible liabilities excluding the impact of noncontrolling interest and the provision of income taxes. Finite Lived Intangible Assets and Liabilities Amortization and Accretion Amortization/accretion of intangible assets and liabilities Disclosure of finite-lived intangible assets and liabilities, excluding goodwill, in total and by major class. Schedule of Finite Lived Intangible Assets and Liabilities [Table] Below-market tenant leases Tenant leases acquired as part of a real property acquisition at below market lease rate. Tenant Leases below Market [Member] Columbia Parcel D Joint Venture ParcelD Represents information pertaining to the Columbia Parcel D Joint Venture, a real estate affiliate of the entity. Columbia Parcel D Joint Venture [Member] Landmark Mall [Member] Landmark Mall Represents information pertaining to Landmark Mall, a real estate affiliate of the entity. Riverwalk Marketplace [Member] Outlet Collection at Riverwalk Represents information pertaining to Riverwalk Marketplace, a real estate affiliate of the entity. The Outlet Collection at Riverwalk Schedule of Spinoff Transaction [Table] Details pertaining to the spin-off transaction. Schedule of Spinoff Transaction [Line Items] Spinoff Transaction Common Stock, Shares Issued to Predecessor as Consideration for Spinoff Transaction Shares issued to predecessor as consideration for spin-off Represents the shares of common stock issued to the predecessor as consideration for spin-off transaction. Common Stock, Shares Issued to Investors in Connection with Spinoff Transaction Shares issued to investors in connection with spin-off Represents the shares of common stock issued to the investors in connection with the spin-off transaction. Warrants Issued to Investors in Connection with Spinoff Transaction Warrants issued to investors in connection with spin-off Represents the warrants issued to the investors in connection with the spin-off transaction. Consideration Received for Common Stock and Warrants Issued to Investors in Connection with Spinoff Transaction Consideration received for shares and warrants issued to investors in connection with spin-off Represents the consideration received for common stock and warrants issued to the investors in connection with the spin-off transaction. Maryland [Member] Maryland Communities Represents the information pertaining to Maryland, Howard County, MD. Represents the information pertaining to South Street Seaport, New York, NY. South Street Seaport [Member] South Street Seaport Park West [Member] Park West Represents the information pertaining to Park West, Peoria, AZ. Rio West Mall property Rio West [Member] Rio West Mall Represents the information pertaining to Rio West, Gallup, NM. Cottonwood Square [Member] Cottonwood Square Represents the information pertaining to Cottonwood Square, Salt Lake City, UT. Represents the information pertaining to Waterway Garage Retail, Houston, TX. Waterway Garage Retail [Member] Waterway Garage Retail Woodloch Forest 1400 [Member] 1400 Woodloch Forest Represents the information pertaining to 1400 Woodloch Forest, Houston, TX. The Club at Carlton Woods [Member] The Club at Carlton Woods Represents the information pertaining to The Club at Carlton Woods, Houston, TX. Woodlands Parking Garages [Member] Woodlands Parking Garages Represents the information pertaining to Woodlands Parking Garages, Houston, TX. Columbia Offices [Member] Columbia Office Properties Represents the information pertaining to Columbia Offices, Howard County, MD. Elk Grove Promenade [Member] Elk Grove Promenade Represents the information pertaining to Elk Grove Promenade, Elk Grove, CA. Allentowne [Member] AllenTowne Represents the information pertaining to AllenTowne, Dallas, TX. Cottonwood Mall [Member] Cottonwood Mall Represents the information pertaining to Cottonwood Mall, Salt Lake City, UT. Kendall Town Center [Member] Kendall Town Center Represents the information pertaining to Kendall Town Center, Miami, FL. West Windsor [Member] West Windsor Represents the information pertaining to West Windsor, Princeton, NJ. Century Plaza [Member] Century Plaza Mall Represents the information pertaining to Century Plaza, Birmingham, AL. Redlands Promenade [Member] Redlands Promenade Represents the information pertaining to Redlands Promenade, Redlands, CA. Lakemoor Volo Land [Member] Lakemoor (Volo) Land Represents the information pertaining to Lakemoor (Volo) Land, Volo, IL. $46.49 - 55.82 Exercise Price One [Member] Represents the exercise price one of options granted. $57.77 - 60.33 Exercise Price Two [Member] Represents the exercise price two of options granted. $61.64 - 69.75 Exercise Price Three [Member] Represents the exercise price three of options granted. Warrants Retired Retirement of Sponsors Warrants and issuance of 1,525,272 shares of common stock Represents the aggregate amount of warrants retired during the period. Business Acquisition, Area of Unsold Residential Land Acquired Represents the area of unsold residential land acquired. Area of unsold residential land acquired (in acres) Represents the lots of unsold residential land acquired. Lots of unsold residential land acquired Business Acquisition, Lots of Unsold Residential Land Acquired Business Acquisition, Area of Unsold Commercial Land Acquired Represents the area of unsold commercial land acquired. Area of unsold commercial land acquired (in acres) Area of office space acquired (in square feet) Business Acquisition, Area of Office Space Acquired Represents the area of office space acquired. Business Acquisition, Area of Retail and Service Space Acquired Represents the area of retail and service space acquired. Area of retail and service space acquired (in square feet) Summerlin West [Member] Summerlin West Represents the information pertaining to Summerlin West, a part of the Summerlin property owned by the entity. Schedule of Earnings Per Share [Line Items] Earnings per share Schedule of Earnings Per Share [Table] The table contains disclosure pertaining to the entity's earnings per share calculations. Number of Consolidated Entities Elected to be Taxed as REIT Represents the number of consolidated entities of the reporting entity elected to be taxed as a REIT under sections 856-860 of the Internal Revenue Code of 1986, as amended (the "Code"). Number of consolidated entities elected to be taxed as a REIT Income Tax Reconciliation Uncertain Tax Position Expense Excluding Interest The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to all income tax contingencies excluding interest. Uncertain tax position expense, excluding interest Deferred Tax Assets Operating Loss Carryforwards and Tax Credit Carryforwards Operating loss and tax credit carryforwards The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance and the amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Cash payments under the note receivable Notes Receivable, Cash Payments Per Year Represents the cash payments receivable per year under the note receivable. Income Taxes [Abstract] Income Taxes Threshold Percentage of Costs of Contractual Obligations Incurred for Recognition of Gain Threshold percentage of costs of contractual obligations incurred for recognition of gain for tax purposes Represents the threshold percentage of costs of contractual obligations incurred for recognition of gain for tax purposes. Percentage rent in lieu of fixed minimum rent Represents the percentage rent in lieu of fixed minimum rent recognized from tenants, included in minimum rents in the entity's financial statements. Percentage Rent in Lieu of Fixed Minimum Rent Recognized from Tenants Straight-line rent receivables Straight-line rent receivables, which represent the current net cumulative rents recognized prior to when billed and collectible as provided by the terms of the leases, and are included in accounts receivable, net in the entity's financial statements. Straight Line Rent Receivables Represents the amount of tenant sales that exceed contractual thresholds contained in the lease and is calculated by multiplying the tenant sales in excess of the minimum amount by a percentage defined in the lease. Overage rent Overage Rent Disclosure of accounting policy for Municipal Utility Districts. Municipal Utility Districts [Policy Text Block] Municipal Utility Districts Municipal Utility District receivables Business Combination [Policy] Acquisitions of Properties Disclosure of accounting policy of the entity for properties acquired. Number of holes on the golf and country club acquired Represents the number of golf course holes acquired in real estate property by the entity. Number of Units Golf Course Holes Acquired in Real Estate Property Accrued real estate taxes Accrual for Taxes Other than Income Taxes Settlements made in cash Settlements Made in Cash Represents the settlements made in cash. Uncertainty in Income Taxes [Abstract] Uncertainty in income taxes, including interest Contractual Obligation Uncertainty in Income Taxes Subsequent and Other Subsequent/Other Amount of uncertainty in income taxes for contractual obligations relating to long-term commitments maturing after the fifth fiscal year following the latest fiscal year. Contractual Obligation Uncertainty in Income Taxes Total Total Total amount of uncertainty in income taxes for contractual obligations relating to long-term commitments. Schedule of categories of developments Tabular disclosure of categories of developments. Schedule of Developments Categories [Table Text Block] Computer, Hardware and Software and Vehicles [Member] Computer hardware and software, and vehicles Represents information pertaining to computer hardware and software, and vehicles. Developments [Abstract] Developments Pre Development Costs Development costs Represents the amount of pre-development costs, which generally include legal and professional fees and other directly-related third-party costs associated with specific development properties and are capitalized as part of the property being developed. Represents the amount of condominium rights as of the balance sheet date. Condominium Rights Condominium rights Notes Receivable from Various Tenants Included in Notes Receivable Notes receivable from various tenants, net of an allowance for uncollectible notes receivable included in Notes receivable Represents the amount of notes receivable from various tenants, net of an allowance for uncollectible notes receivable included in Notes receivable. Number of Master Planned Communities Number of Master Planned Communities Represents the number of Master Planned Communities. Condominium deposits Represents the amount of condominium deposits, consisting of receipts from buyers of condominium deposits. Prepaid Expenses and Other Assets Condominium Deposits Accounts Payable and Accrued Expenses Condominium Deposits Condominium deposits Represents the amount of condominium deposits, which is the component of accounts payable and accrued expenses. Increase (Decrease) in Revenue Increase in revenue due to the lot bid program that was implemented as The Woodlands Represents the increase (decrease) in revenue during the reporting period. Tax Indemnity Receivable [Policy Text Block] Tax Indemnity Receivable Disclosure of accounting policy for tax indemnity receivable. Stock Issued During Period Shares, Stock Warrants Exercised Number of share warrants (or share units) exercised during the current period. Warrants exercised (in shares) Issuance of shares of common stock Number of room resorts and conference centre Number of Room Resorts and Conference Centre Facility Represents the number of room resort and conference centre facility. Municipal Utility District Allowance Receivables net of allowances Represents the amount of allowances receivable for municipal utility district receivables. This element represents deferred financing costs as well as costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This element is net of accumulated amortization. Deferred expenses, net Deferred Financing Costs and Deferred Leasing Costs The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations, including true-up items related to spin-off from GGP. Deferred Income Taxes Expense (Benefit) Deferred taxes Warrant Liability Gain The net change in the difference between the comparative fair values (warrant liability) at each balance sheet date resulting in a gain in earnings for the period. Less: Warrant liability gain Changes in accumulated other comprehensive income (loss) by component A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] Las Vegas 51S LLC Represents information pertaining to Las Vegas 51S LLC. Las Vegas 51S LLC [Member] Increase (Decrease) in Prepaid Expenses and Other Assets Condominium Deposits Represents the increase (decrease) in condominium deposits during the reporting period. Decrease in condominium deposits Condominium deposits received Debt Instrument Description of Variable Rate Basis for Draws below Specified Limit Variable rate basis below specified limit Represents the reference rate for the variable rate of the debt instrument for draws below specified limit, such as LIBOR or US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. Debt Instrument Description of Variable Rate Basis for Draws above Specified Limit Variable rate basis above specified limit Represents the reference rate for the variable rate of the debt instrument for draws above specified limit, such as LIBOR or US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. Debt Instrument, Specified Limit of Draws for Determining Interest Rate Specified limit of draws Represents the amount of specified limit for determining the interest rate. Debt Instrument Basis Spread on Variable Rate for Draws above Specified Limit Interest rate margin above specified limit (as a percent) Represents the percentage points added to the reference rate to compute the variable rate on the debt instrument for draws above specified limit. Represents the participation right to the lender based on market value of property, expressed as a percentage. Debt Instrument, Lender Participation Right Percentage Lender participation right (as a percent) Represents the increase (decrease) in value of the participation obligations. Increase (Decrease) in Participation Obligation Estimated decrease in the value of the participation right recorded in interest expense Reduction in Investments in Real Estate Affiliates This element represents reduction in investments in real estate affiliates. Reduction in investment in Real Estate Affiliates due to the acquisition Reduction in investments in Real Estate Affiliates due to the acquisition Summerlin Las Vegas Baseball Club Summerlin Las Vegas Baseball Club LLC [Member] Represents information pertaining to Summerlin Las Vegas Baseball Club, LLC, a joint venture entity. Shares that vest on a graduated scale based on total shareholder return in 2017 (as a percent) Represents the shares expressed as a percentage that vest on a graduated scale based on achieving certain stock price appreciation in 2017. Percentage of Shares Vest on Graduated Scale Based on Achievement of Specific Condition RECENT TRANSACTIONS The disclosure for recent equity method investments and joint ventures transactions. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. RECENT TRANSACTIONS Recent Equity Method Investments Transactions Disclosure [Text Block] Demolition Costs Demolition costs Represents expenses related to demolition of real estate properties. Increase (Reduction) in Tax Indemnity Receivable Reduction in tax indemnity receivable The increase (reduction) in tax indemnity receivable. Reduction in tax indemnity receivable Reduction in tax indemnity receivable Loss on remeasurement Master Planned Community land acquisitions Represents master planned community land acquisitions expenditure during the period. Master Planned Community Land Acquisitions Condominium and Other Cost of Sales Condominium and other cost of sales Represents condominium and other cost of sales. Payment of Contribution Required to Joint Venturer Future contribution required in accordance with the loan agreement Represents the amount of capital contribution required in accordance with the loan agreement. Senior Notes 6.875 Percent Due 2021 [Member] Represents information pertaining to senior notes payable that bear an interest rate of 6.875 percentage and will mature in 2021. 6.875% Senior Notes Due 2021 Debt Instrument Redemption Maximum Percentage Using Proceeds from Equity Offerings Maximum percentage of Notes that can be redeemed using proceeds from equity offerings at any time prior to October 1, 2016 Represents the Maximum percentage of Notes that can be redeemed using proceeds from equity offerings at any time prior to specified period. Two Hughes Landing [Member] Two Hughes Landing Represents information pertaining to Two Hughes Landing, a property owned by the entity. Hughes Landing [Member] Hughes Landing Represents information pertaining to Hughes Landing, a property owned by the entity. Increase in tax indemnity receivable due to the increase in the related interest income Represents the increase in tax indemnity receivable due to the increase in the related interest income. Interest income related to tax indemnity Increase in Tax Indemnity Receivable due to Increase in Interest Income The increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows. Increase (Decrease) in Prepaid Expense and Other Assets. Increase in prepaid expenses and other assets Represents the increase (decrease) during the reporting period in the amount of obligations related to receipts from buyers of condominium deposits. Increase (Decrease) in Accounts Payable and Accrued Expenses Condominium Deposits Increase in condominium deposits Head Acquisition LP [Member] Head Acquisition, LP ("Head") Represents information pertaining to Head Acquisition, LP. Head Acquisition, LP (Hexalon) Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current and noncurrent portion of the liabilities. Summary of the significant components of accounts payable and accrued expenses Schedule of Current and Noncurrent Accounts Payable and Accrued Liabilities [Table Text Block] Increase in equipment related to the airplane purchase Represents the increase (decrease) in long-lived, depreciable flight assets during the reporting period. Increase (Decrease) in Flight Equipment Uncertain tax position asset The amount of the asset recognized for uncertain tax positions as of the balance sheet date. Uncertain Tax Position Asset Maximum facility amount at first extension option Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility at the first extension option available to borrower. Line of Credit Facility Maximum Borrowing Capacity at First Extension Option Line of Credit Facility Maximum Borrowing Capacity at Second Extension Option Maximum facility amount at second extension option Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility at the second extension option available to borrower. South Street Seaport Ground Lease [Member] South Street Seaport ground lease Represents information pertaining to South Street Seaport, New York, New York, a ground lease by the entity. Stock Options Options An arrangement whereby an employee, member of the Board of Directors or consultants are entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Employees Directors and Consultants Stock Options [Member] Other assets Amount of other assets acquired at the acquisition date. Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Assets Other Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged, acquired at the acquisition date. Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Receivables Accounts receivable Mortgages, notes and loans payable Amount of long-term debt assumed at the acquisition date. Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Long Term Debt Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Investments in Real Estate Affiliates Amount of investments in real estate affiliates acquired at the acquisition date. Investments in Real Estate Affiliates Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Notes Receivables Amount of notes receivable acquired at the acquisition date. Notes receivable Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Municipal Utility District Receivables Amount of municipal utility district receivables acquired at the acquisition date. Municipal Utility District receivables Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Accounts Payable and Accrued Expenses Amount of accounts payable and accrued expenses assumed at the acquisition date. Accounts payable and accrued expenses Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Liabilities and Noncontrolling Interests Amount of liabilities and noncontrolling interests assumed at the acquisition date. Total liabilities and noncontrolling interests Total liabilities consolidated into financial statements at fair value as of the acquisition date Represents the amount of increase (decrease) in assets of the entity. Increase (Decrease) in Assets Increase (Decrease) in Assets Area of Land Sold Area of land sold (in acres) Represents the area of land sold by the entity during the period. Warrants Disclosure of accounting policy for the determination of fair value of warrants held, which may include valuation model and assumptions used in valuing the warrants. Warrants [Policy Text Block] Number of variable interest entities Represents the number of variable interest entities. Variable Interest Entity, Number of Entities Amount of asset (liability) recognized arising from contingent consideration in a business combination. Business Combination Contingent, Consideration Asset Liability Contingent consideration Proceeds from Sales of Investment Properties Proceeds from sales of investment in Real Estate Affiliates Represents the cash inflow associated with the sale of investment properties. $81.80 - 110.50 Represents the exercise price four of options granted. Exercise Price Four [Member] Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Balance at the beginning of the period Balance at the end of the period Hughes Landing Multi Family [Member] Hughes Landing - Multi-family Represents information pertaining to Hughes Landing - Multi-family, a property owned by the entity. Hughes Landing Retail [Member] Hughes Landing Retail Represents information pertaining to Hughes Landing Retail, a property owned by the entity. Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Percentage of Deferred Tax Assets Realized on Successful Implementation of Tax Planning Percentage of deferred tax asset realized on successful implementation of tax planning Represents the percentage of deferred tax asset realized on successful implementation of tax planning. Amount of deferred tax assets attributable to taxable temporary differences from operating property, primary differences in basis of assets and liabilities. Deferred Tax Assets Operating Property Operating and Strategic Development properties, primary differences in basis of assets and liabilities Increase in Accrued Interest Increase in accrued interest Represents the amount of increase in accrued interest. Creekside Park Village Center [Member] Represents information pertaining to Creekside Park Village Center, a property owned by The Woodlands, that was acquired by the entity. Creekside Park Village Center Represents information pertaining to ONE Ala Moana, Honolulu, HI. ONE Ala Moana ONE AlaMoana [Member] Redlands Mall [Member] Represents information pertaining to Redlands Mall, Redlands, CA. Redlands Mall Represents information pertaining to The Metropolitan Downtown Columbia Project, Columbia, MD. The Metropolitan Downtown Columbia Project The Metropolitan Downtown Columbia Project [Member] Developments in Progress Amount New developments in progress Represents the amount of developments in progress during the period. Unamortized Underwriting Fees Unamortized underwriting fees Represents the amount of underwriting fee that was originally recognized at the issuance of the instrument that has yet to be amortized. Gains and Losses on Cash Flow Hedges Gains and losses on cash flow hedges Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] One Lakes Edge [Member] One Lake's Edge Represents information pertaining to One Lake's Edge, a property owned by the entity. Number of Registered Money Market Mutual Funds in Cash Equivalents Number of registered money market mutual funds in cash equivalents Represents the number of registered money market mutual funds in cash equivalents. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Maximum maturity period of bank deposits Represents the maximum maturity period of bank deposits. Maximum Maturity Period of Bank Deposits Amount of participation right Debt Instrument Lender Participation Right Amount Represents the amount of debt instrument lender participation right. Changes in accumulated other comprehensive income (loss) by component Accumulated Other Comprehensive Income (Loss) [Line Items] Appraised value for the property Represents the appraised value of real estate upon which participation right is based. Appraised Value of Real Estate Accumulated Other Comprehensive Income (Loss) [Table] Collection of Deposits on Sale of Condominium Units Represents the amount of collection of deposits on the sale of condominium units. Deposits collected on the sale of condominium units Increase (Decrease) in Buildings and Equipment Increase in buildings and equipment from the completion of the transformation of the IBM building Represents the amount of increase (decrease) in buildings and equipment during the period. Tax Indemnification Asset Tax indemnification asset Represents the carrying value as of the balance sheet date of tax indemnification asset. Development and Other Cost Development and other costs Represents the amount of development and other related cost during the period. Total Shareholder Return [Member] Total shareholder return through 2018 Represents information pertaining to awards, vesting of that is subject to a declining scale based on achieving total shareholder return hurdles through December 31, 2018. Vest After Specified Time Period [Member] Vest after a specified time period Represents information pertaining to awards that vest after a certain period of time. Key Employee [Member] Key employees Represents information pertaining to key employees. Other Equipment Equipment, net of accumulated depreciation of $1.6 and $0.7 million, respectively Other depreciable equipment. Accumulated Depreciation Other Equipment Accumulated depreciation on other equipment Accumulated depreciation for other depreciable equipment. Percentage of Proceeds in Excess of Amount Determined by Applying Capitalization Rate to NOI Percentage of proceeds in excess of an amount determined by applying a specified capitalization rate to NOI Represents the percentage of proceeds in excess of an amount determined by applying a specified capitalization rate to NOI. Capitalization rate (as a percent) Represents the capitalization rate, expressed as a percentage. Capitalization Rate Vest on December 31 2018 [Member] Vest on December 31, 2018 Represents information pertaining to awards that vest on December 31, 2018. Percentage of Sales Value of Condominium Rights Recognized as Partial Sale Percentage of sales value of condominium rights recognized as partial sale Represents the percentage of sales value of condominium rights recognized as partial sale. Percentage of Sales Value of Condominium Rights Recognition on Percentage Of Completion Basis Percentage of sales value of condominium rights being recognized on percentage of completion basis Represents the percentage of sales value of condominium rights recognized or being recognized on the percentage-of-completion basis. Waterway Square Hotel [Member] Waterway Square Hotel Represents information pertaining to Waterway Square Hotel project. Exxon Mobil Build to Suit [Member] ExxonMobil Represents information pertaining to ExxonMobil Build-to-Suit, a property owned by the entity. Non Monetary Consideration of Land Exchange Non-monetary consideration relating to land sale Represents the amount of non-monetary consideration related to land exchanges during the period. Recent Equity Method Investments and Joint Ventures [Table] Intangible assets and liabilities Acquired Finite-Lived Intangible Assets [Line Items] Discovery Summerlin Management LLC [Member] Discovery Land Represents information pertaining to Discovery Summerlin Management, LLC. Recent Equity Method Investments and Joint Ventures [Line Items] Recent transactions Area of Unimproved Parcel of Land Contributable to Joint Venture Unimproved parcel of land (in acres) Represents the area of unimproved parcel of land contributable to the joint venture by the entity. Area of undeveloped land acquired (in acres) Represents the area of the undeveloped land acquired by the entity. Area of Undeveloped Land Acquired Contract to Acquire Additional Area of Undeveloped Land Contract to acquire an additional area of land (in acres) Represents the additional area of the undeveloped land under contract to be acquired the entity. Area of Undeveloped Land Acquisition for Residential Development Land acquisitions for residential development (in acres) Represents the area of land acquisitions for residential development. Area of Undeveloped Land Acquisition for Commercial Development Land acquisitions for commercial development (in acres) Represents the area of land acquisitions for commercial development. Debt Instrument Recourse Percentage Recourse on loan (as a percent) Represents the percentage of recourse related to debt instrument. Represents the percentage of increase (decrease) in exposure of outstanding principal upon completion of the project and compliance with certain covenants. Increase (Decrease) in Exposure of Outstanding Principal upon Completion of Project and Compliance with Covenants Percentage Decrease in exposure of outstanding principal (as a percent) Number of Office Buildings Substantially Pre Leased Number of office buildings substantially pre-leased Represents the number of office buildings substantially pre-leased. Fee Interest Purchased Fee interest purchased Represents a fee interest purchased by the entity Additional paid-in capital Additional Paid in Capital, Common Stock Payments under Contract to Acquire Additional Area of Undeveloped Land Amount paid for undeveloped land Represents the amount to be paid for undeveloped land under contract to be acquired by the entity. Number of Lots Number of lots Represents the lots of residential and commercial land. Debt Instrument Debt Service Coverage Ratio Debt service coverage ratio Represents the debt service coverage ratio under the debt arrangement. Additional paid-in capital Additional Paid in Capital Percentage of Occupancy of Real Estate Property Occupancy percentage Represents the percentage of occupancy by the tenants of the real estate property. Additional Paid-In Capital Additional Paid-in Capital [Member] Amortization Amortization Adjustments to Additional Paid in Capital, Warrant Issued Warrants exercised Adjustments to reconcile net loss to cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock plan activity Airplane Air Transportation Equipment [Member] Recognized compensation expense Allocated Share-based Compensation Expense Changes in allowance for doubtful accounts and notes receivable accounts Allowance for Doubtful Accounts Receivable [Roll Forward] Allowance for Doubtful Accounts Allowance for Doubtful Accounts [Member] Summary of changes in allowance for doubtful accounts against accounts receivables Allowance for Credit Losses on Financing Receivables [Table Text Block] Allowance for Doubtful Accounts Receivable, Write-offs Write-offs Balance at the beginning of the period Balance at the end of the period Allowance for Doubtful Accounts Receivable Amortization of deferred financing costs Amortization of Financing Costs and Discounts Antidilutive Securities [Axis] Antidilutive securities excluded from computation of diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Antidilutive securities excluded from computation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Impairment charges Provisions for impairment Asset Impairment Charges IMPAIRMENT IMPAIRMENT Asset Impairment Charges [Text Block] Assets: Assets, Fair Value Disclosure [Abstract] Total assets Assets Assets Assets: Assets [Abstract] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Special Improvement District bonds Bonds [Member] Building, improvements and carrying costs Buildings and improvements Building and Building Improvements [Member] Business Interruption Loss [Domain] Business Acquisition [Axis] Acquisition price represented by a non-interest bearing promissory note Business Combination, Consideration Transferred, Liabilities Incurred Pro Forma Information Business Acquisition, Pro Forma Information [Abstract] Total assets consolidated into financial statements at fair value as of the acquisition date Total assets Assets acquired consolidated Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Buildings and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Schedule of pro forma information Business Acquisition, Pro Forma Information [Table Text Block] Land Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land Original contributed equity Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Insurance recoveries Business Interruption Loss [Line Items] Business Interruption Loss [Axis] Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31) Total liabilities consolidated into financial statements at fair value as of the acquisition date Liabilities acquired consolidated Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Acquisition Acquisitions Business Acquisition [Line Items] Ownership interest (as a percent) Original interest in properties acquired (as a percent) Interest acquired (as a percent) Business Acquisition, Percentage of Voting Interests Acquired Total revenues Business Acquisition, Pro Forma Revenue Business Acquisition, Acquiree [Domain] Net income (loss) attributable to common shareholders Business Acquisition, Pro Forma Net Income (Loss) Net income (loss) Investment in Real Estate Affiliates, Total Loss Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss Purchase price Business Combination, Consideration Transferred Amounts recorded for the assets acquired and liabilities assumed at the acquisition date Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Revenues and net losses included in the condensed consolidated statement of operations since the acquisition date Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest Impact of increase in cost of sales on net loss Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory After-tax loss on the remeasurement relating to existing economic interest Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net Net income (loss) Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Revenues Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Noncontrolling interests Existing economic interest (as a percent) Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage Counterparty Name [Axis] Cost basis investments Cost-method Investments [Member] 2015 Capital Leases, Future Minimum Payments Due in Two Years Total Capital Leases, Future Minimum Payments Due 2018 Capital Leases, Future Minimum Payments Due in Five Years Capital lease obligations Capital Lease Obligations [Member] Property developments and redevelopments Capital Expenditures Incurred but Not yet Paid 2016 Capital Leases, Future Minimum Payments Due in Three Years 2017 Capital Leases, Future Minimum Payments Due in Four Years Ground lease payments Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Subsequent/Other Capital Leases, Future Minimum Payments Due Thereafter 2014 Capital Leases, Future Minimum Payments Due, Next Twelve Months Carrying Amount Reported Value Measurement [Member] Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash flows Estimated additional amount to be reclassified as interest expense Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cash acquired from The Woodlands acquisition, net of cash consideration Cash Acquired from Acquisition Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents Non-Cash Transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Cash Flow Hedges Cash Flow Hedging [Member] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate by Type [Axis] Andrew C. Richardson Andy Richardson, CFO Chief Financial Officer [Member] David R. Weinreb Chief Executive Officer [Member] Warrants outstanding Class of Warrant or Right, Outstanding Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Issuance of warrants to purchase common stock (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Sponsors and Management Warrants Class of Warrant or Right [Line Items] Class of Warrant or Right [Table] Variable Interest Entity, Classification [Domain] Managing member of Millennium Phase II COMMITMENTS AND CONTINGENCIES Commitments and Contingencies (see Note 14) Commitments and Contingencies. COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common Stock Common Stock [Member] Common stock: $.01 par value; 150,000,000 shares authorized, 39,638,094 shares issued and outstanding as of June 30, 2014 and 39,576,344 shares issued and outstanding as of December 31, 2013 Common Stock, Value, Issued Common stock, shares issued Common Stock, Shares, Issued Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares outstanding Common Stock, Shares, Outstanding Provision for (benefit from) income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Tax effects of temporary differences and carry-forwards included in the net deferred tax liabilities Components of Deferred Tax Assets and Liabilities [Abstract] Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to noncontrolling interests Comprehensive loss, net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive loss attributable to common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss) Note [Text Block] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Consolidated Properties Consolidated Properties [Member] Consolidation Items [Domain] Principles of Combination and Basis of Presentation Principles of Consolidation and Basis of Presentation Consolidation, Policy [Policy Text Block] Consolidation Items [Axis] Construction loan Construction Loan Payable [Member] Construction payables Construction Payable 2015 Contractual Obligation, Due in Second Year 2018 Contractual Obligation, Due in Fifth Year Summary of contractual obligations relating to the entity's long-term commitments Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] 2017 Contractual Obligation, Due in Fourth Year 2014 Contractual Obligation, Due in Next Twelve Months 2016 Contractual Obligation, Due in Third Year Subsequent/Other Contractual Obligation, Due after Fifth Year Total Contractual Obligation, Fiscal Year Maturity [Abstract] Additional annual rent payments to be made through the term of the lease Total Contractual Obligation MPC Land Combine to Real Estate Affiliate Fair value of the land contributed to joint venture Book value of the land contributed to joint venture Contribution of Property Corporate general and administrative Corporate Segment [Member] Joint venture partner Corporate Joint Venture [Member] Parcel C Corporate Corporate, Non-Segment [Member] Corporate and other Rental property maintenance costs Cost of Property Repairs and Maintenance Condominium rights and unit cost of sales Cost of Real Estate Sales, Excluding Interest Gain from sale Cost-method Investments, Realized Gains Cost of sales - land Master Planned Community cost of sales Cost of sales - land Cost of Real Estate Sales Master Planned Community operations Costs of Real Estate Services and Land Sales Expenses: Costs and Expenses [Abstract] Total expenses Costs and Expenses Current Current Income Tax Expense (Benefit) Membership deposits Customer Refundable Fees Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Variable rate basis Debt Instrument, Description of Variable Rate Basis Mortgages, notes and loans payable Debt Instrument [Line Items] Contractual obligations relating to long-term commitments Schedule of Long-term Debt Instruments [Table] Aggregate principal amount of debt issued Amount of debt issued Debt Instrument, Face Amount Amount of debt assumed as part of the acquisition Total mortgages, notes and loans payable Debt Instrument, Fair Value Disclosure Interest rate margin (as a percent) Debt Instrument, Basis Spread on Variable Rate MORTGAGES, NOTES AND LOANS PAYABLE Debt Instrument, Repurchased Face Amount MORTGAGES, NOTES AND LOANS PAYABLE Debt Disclosure [Text Block] Term of debt instrument Debt Instrument, Term Debt Instrument [Axis] Weighted average interest rate (as a percent) Debt, Weighted Average Interest Rate Interest rate increase every six months until maturity (as a percent) Percentage of principal amount at which Notes can be redeemed Debt Instrument, Redemption Price, Percentage Debt Instrument, Name [Domain] Interest rate (as a percent) Fixed interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Periodic payments Debt Instrument, Periodic Payment Unused portion of the debt instrument Debt Instrument, Unused Borrowing Capacity, Amount Minimum interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum Interest rate (as a percent) Debt Instrument, Interest Rate at Period End Deferred expenses, net of accumulated amortization Deferred Costs Deferred Expenses Deferred Charges, Policy [Policy Text Block] Gross deferred tax liabilities Total deferred tax liabilities Deferred Tax Liabilities, Gross Deferred Expenses Deferred Costs [Abstract] Deferred income taxes Deferred Deferred Income Tax Expense (Benefit) Deferred tax liabilities Net deferred tax liabilities Deferred Tax Assets, Net Deferred income Deferred Revenue and Credits Straight-line rent receivables Gross deferred tax assets Total deferred tax assets Deferred tax asset due to book/tax basis differences Deferred Tax Assets, Gross Deferred tax assets previously believed to have had only a remote possibility of realization recorded in the current period Deferred Tax Assets, Other Total net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Additional Disclosures Deferred Tax Assets, Net [Abstract] Valuation allowance Valuation allowance Valuation allowance related to the deferred tax asset Deferred Tax Assets, Valuation Allowance Deferred income Deferred Tax Liabilities, Tax Deferred Income Security and escrow deposits Deposit Assets Depreciation Depreciation Depreciation Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Corporate depreciation Derivative instruments and hedging activities Derivative [Line Items] Outstanding principal balance of debt that is swapped to fixed rate through maturity Variable-rate debt that has been swapped to a fixed rate Amount of variable-rate debt swapped to fixed rate Derivative, Amount of Hedged Item Warrant liability loss Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Derivative Instrument [Axis] Derivative [Table] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Liability, Notional Amount Notional amount Gross notional amounts of cash flow hedges Fixed interest rate per swap (as a percent) Derivative, Fixed Interest Rate Derivative liabilities Derivative Liability, Fair Value, Gross Liability Derivative Contract [Domain] Hedging Relationship [Axis] Effect of the Company's derivative financial instruments on the income statement Derivative Instruments, Gain (Loss) [Line Items] Amount of Loss Recognized in OCI Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Amount of Loss Reclassified from AOCI into Earnings Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative Instruments, Gain (Loss) [Table] Fair value of derivative instruments Derivatives, Fair Value [Line Items] Developments Total Developments Investment in development activities Development in Process Development Profits, Nonoperating Equity in earnings from Real Estate and Other Affiliates Resort and conference center operations Direct Costs of Owned Hotels STOCK-BASED PLANS Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK-BASED PLANS Disposal Groups, Including Discontinued Operations, Name [Domain] Preferred dividend payment on behalf of REIT subsidiary Dividends, Preferred Stock, Cash Federal Basic EPS: Earnings Per Share, Basic [Abstract] Diluted EPS: Earnings Per Share, Diluted [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Basic loss per share: (in dollars per share) Basic earnings (loss) per share: (in dollars per share) Earnings Per Share, Basic Diluted loss per share: (in dollars per share) Diluted earnings (loss) per share: (in dollars per share) Earnings Per Share, Diluted Earnings (loss) per share: EARNINGS PER SHARE Effective tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Unamortized restricted stock expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Weighted-average period for recognition of unamortized restricted stock expense Weighted-average period for recognition of unamortized stock option expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Unamortized stock option expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Accrued payroll and other employee liabilities Employee-related Liabilities Equity method investments Equity Method Investments [Member] Equity Method Investments and Joint Ventures Disclosure [Text Block] REAL ESTATE AND OTHER AFFILIATES Economic interest (as a percent) Ownership percentage Equity Method Investment, Ownership Percentage Provisions for impairment related to investment in real estate affiliates Equity Method Investment, Other than Temporary Impairment Provisions for impairment related to investment in real estate and other affiliates Equity Method Investment, Realized Gain (Loss) on Disposal Net profit recognized on partial sale of joint venture interest Investment, Name [Domain] Equity Component [Domain] Investments in Real Estate Affiliates Equity and Cost Method Investments, Policy [Policy Text Block] Investments in Real Estate Affiliates REAL ESTATE AND OTHER AFFILIATES Reclassifications Error Corrections and Prior Period Adjustments Restatement [Line Items] Amount deposited in escrow account Escrow Deposit Total Fair Value Measurement Estimated Fair Value Estimate of Fair Value Measurement [Member] Measurement Frequency [Axis] Expected Volatility (as a percent) Fair Value Assumptions, Expected Volatility Rate Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Liability Class [Axis] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Significant unobservable input used in the fair value measurement of warrants designated as Level 3 Overall Capitalization Rate ("OAR") used for fair value measurement of the land and buildings (as a percent) Residual capitalization rate (as a percent) Fair Value Inputs, Cap Rate Recurring basis Fair Value, Measurements, Recurring [Member] Fair Value Inputs, Discount for Lack of Marketability Discount for lack of marketability (as a percent) Fair Value, Measurement Frequency [Domain] Fair Value by Liability Class [Domain] Measurement Basis [Axis] Schedule of significant unobservable input used in the fair value measurement of warrants designated as Level 3 Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block] Fair value of financial instruments Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Balance at the beginning of the period Balance at the end of the period Fair value of warrants Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value FAIR VALUE OF FINANCIAL INSTRUMENTS Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Non-recurring basis Fair Value, Measurements, Nonrecurring [Member] Fair Value Hierarchy [Domain] Summary of assets and liabilities that were measured at fair value on a non-recurring basis Fair Value Measurements, Nonrecurring [Table Text Block] FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Financial instruments that are not measured at fair value on a recurring basis Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, by Balance Sheet Grouping [Table] Fair Value Measurement [Domain] Schedule of estimated fair values of the Company's financial instruments that are not measured at fair value on a recurring basis Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3) Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3) Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair value of financial instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Warrant liability loss Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Gross Assets Finite-Lived Intangible Assets, Gross 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Five 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated future amortization Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net carrying amount Net Carrying Amount Finite-Lived Intangible Assets, Net Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five 2014 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2015 2016 2013 2017 Thereafter 2014 Gain on disposal of Head Acquisition, LP Gain (Loss) on Disposition of Business Profit on sale of condominium rights Pre-tax gain recognized on the sale Gain (Loss) on Sale of Properties Gain on disposition of asset Pre-tax gain recognized in Other (income)/expense Gain on Business Interruption Insurance Recovery Early extinguishment of debt Early extinguishment of debt Pre-tax loss on early repayment of debt Gains (Losses) on Extinguishment of Debt General and administrative General and administrative General and Administrative Expense Operating costs General and administrative expenses General and Administrative Expense [Member] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Relationship [Domain] Impairment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Impairment Charges Impairment charges on investment in real estate Impairment of Real Estate Rent credit to be received Incentive from Lessor Net income (loss) attributable to common stockholders Net loss attributable to common stockholders Income (Loss) from Continuing Operations Attributable to Parent Equity in earnings from Real Estate and Other Affiliates, net of distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Income (loss) before taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Income Statement Location [Axis] INCOME TAXES Income Tax Authority [Domain] Disposal Group Name [Axis] Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations Recent transactions Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Tax Authority [Axis] INCOME TAXES Income Tax Disclosure [Text Block] Income Statement Location [Domain] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Federal income tax receivable Income Taxes Receivable Provision for income taxes Provision for income taxes Provision for (benefit from) income taxes Benefit (provision) for income taxes Income Tax Expense (Benefit) Increase (decrease) in valuation allowance, net Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Effective Income Tax Rate Reconciliation, Amount [Abstract] Reconciliation of income tax expense computed by applying the Federal corporate tax rate to the provision for income taxes Income taxes paid Income Taxes Paid Tax expense (benefit) from change in rates, prior period adjustments and other permanent differences Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount Tax at statutory rate on earnings from continuing operations before income taxes Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Income Taxes Income Tax, Policy [Policy Text Block] State income taxes, net of Federal income tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Non-taxable interest income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Increase in escrow deposits Increase in Restricted Cash Condominium deposits held in escrow Increase in construction payable Increase (Decrease) in Construction Payables Accounts and notes receivable Increase (Decrease) in Accounts and Notes Receivable Increase in accounts payable and accrued expenses Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred expenses Increase (Decrease) in Deferred Charges Increase in deferred income Increase (Decrease) in Deferred Revenue Net changes: Increase (Decrease) in Operating Capital [Abstract] Amount of a non-recourse construction financing which repaid existing debt Increase (Decrease) in Notes Payable, Current Warrant liability gain (loss) Warrant liability loss (gain) Less: Warrant liability gain Increase in tenant and other receivables Increase (Decrease) in Other Receivables Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Change in restricted cash Increase (Decrease) in Restricted Cash Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Restricted stock and stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Insurance recoveries collected Payments received Insurance Recoveries Accrued interest Interest Payable Interest expense Interest expense Corporate interest expense Corporate interest expense Interest Expense Interest capitalized Interest expense capitalized Interest Costs Capitalized Interest expense Interest Income (Expense), Net Interest paid Interest Paid Interest rate swap Interest rate swaps Interest Rate Derivative Liabilities, at Fair Value Interest rate swap Interest rate swaps Interest Rate Swaps Interest Rate Swap [Member] Interest rate cap Interest Rate Cap [Member] Interest Expense [Member] Interest expense Federal Internal Revenue Service (IRS) [Member] Interest income Interest income Corporate interest (expense)/income, net Investment Income, Interest Investments [Domain] Investment Type [Axis] Investment in Real Estate Affiliates Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure Investment in Real Estate and Other Affiliates Carrying Value Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Real Estate and Other Affiliates Investments in and Advances to Affiliates [Line Items] Investment in Real Estate and Other Affiliates Investments in and Advances to Affiliates, Balance [Abstract] Investments in and Advances to Affiliates [Table] Fixed-rate debt Fixed-rate debt: Long-term Debt, Percentage Bearing Fixed Interest, Amount Variable-rate debt Variable-rate debt: Long-term Debt, Percentage Bearing Variable Interest, Amount Land Land Book value of land contributed to joint venture Land & improvements Land Improvements Master Planned Community land sales Land sales Land Sales Contractual rental expense, including participation rent Operating Leases, Rent Expense RENTALS UNDER OPERATING LEASES In-place value tenant leases Leases, Acquired-in-Place [Member] Total liabilities and equity Liabilities and Equity Liabilities: Liabilities [Abstract] Total liabilities Liabilities Liabilities Liabilities: Liabilities, Fair Value Disclosure [Abstract] Total liabilities Financial and Nonfinancial Liabilities, Fair Value Disclosure Uncertain tax position liability Liability for Uncertain Tax Positions, Noncurrent Amount utilized Line of Credit Facility, Maximum Amount Outstanding During Period Maximum Facility Amount Line of Credit Facility, Maximum Borrowing Capacity Facility Amount Total finance amount Maximum outstanding balance Line of Credit Facility, Amount Outstanding TWL Facility Line of Credit [Member] Credit Facility Undrawn and available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Debt assumed from The Woodlands' acquisition (See Note 3) Debt assumed from The Woodlands' acquisition (See Note 4) Loans Assumed Total Long-term Debt 2015 Long-term Debt, Maturities, Repayments of Principal in Year Two 2017 Long-term Debt, Maturities, Repayments of Principal in Year Four 2018 Long-term Debt, Maturities, Repayments of Principal in Year Five Subsequent/Other Long-term Debt, Maturities, Repayments of Principal after Year Five Thereafter 2016 Long-term Debt, Maturities, Repayments of Principal in Year Three Mortgages, notes and loans payable Long-term debt-principal payments Long-term Debt, Fiscal Year Maturity [Abstract] 2014 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months ACQUISITIONS AND DISPOSITIONS Mergers, Acquisitions and Dispositions Disclosures [Text Block] Development-related marketing costs Marketing Expense Marketing costs Maximum Maximum [Member] Minimum Minimum [Member] Acquisitions Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Mortgage loan Mortgage Loans on Real Estate, Carrying Amount of Mortgages Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net loss attributable to common stockholders Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Adjusted net loss attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Diluted Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Cash provided by financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Non-recourse mortgage assumed Noncash or Part Noncash Acquisition, Debt Assumed Mortgages, notes and loans payable Total mortgages, notes and loans payable Total mortgages, notes and loans payable Mortgages, notes and loans payable Notes and Loans Payable Notes receivable, net Notes Receivable, Fair Value Disclosure Notes receivable, net Balance of note receivable from GGP Financing Receivable, Net Number of reportable segments Number of Reportable Segments Adjustment to noncontrolling interest Noncontrolling Interest, Increase from Subsidiary Equity Issuance Noncontrolling Interests Noncontrolling Interest [Member] Subsequent Operating Leases, Future Minimum Payments, Due Thereafter Total Minimum Rent Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2017 Operating Leases, Future Minimum Payments, Due in Four Years RENTALS UNDER OPERATING LEASES Operating Leases of Lessor Disclosure [Text Block] 2018 Operating Leases, Future Minimum Payments, Due in Five Years Rental income from related party and its subsidiaries 2016 Operating Leases, Future Minimum Payments, Due in Three Years 2014 Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating income Operating income Operating Income (Loss) Minimum rents Operating Leases, Income Statement, Minimum Lease Revenue Operating segment Operating Segments [Member] 2015 Operating Leases, Future Minimum Payments, Due in Two Years Annual fixed rent Operating Leases, Rent Expense, Minimum Rentals Commitments Operating Leased Assets [Line Items] Net operating loss carryforwards Operating Loss Carryforwards BASIS OF PRESENTATION AND ORGANIZATION SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] BASIS OF PRESENTATION AND ORGANIZATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other comprehensive income (loss) Other comprehensive loss Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Interest rate swaps Interest rate swaps, net of tax $49 and $379 for the six months ended June 30, 2014 and 2013, respectively Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Interest rate swaps, deferred tax expense (benefit) Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other Other Assets Accounts payable and accrued expenses Other Accounts Payable and Accrued Liabilities Intangibles Other Intangible Assets, Net Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Other property operating costs Other property costs Other Cost and Expense, Operating Comprehensive income (Loss), deferred tax expense: Interest rate swaps, tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Other income Other income Other Income Other Other Liabilities Other rental and property revenues Other Real Estate Revenue Tenant incentives and other receivables Other Receivables Payments for repurchase of warrants Purchase of Sponsors Warrants Payments for Repurchase of Warrants Amount paid for undeveloped land Payments to Acquire Land Distributions to noncontrolling interests Payments of Ordinary Dividends, Noncontrolling Interest Preferred dividend payment on behalf of REIT subsidiary Payments of Ordinary Dividends, Preferred Stock and Preference Stock Portion of refinanced mortgage proceeds used to acquire partner's interest Consideration for acquisition of partner's interest Consideration paid to acquire Millennium Waterway Apartments, net of cash acquired Payments to Acquire Businesses, Gross Investments in Real Estate and Other Affiliates, net Payments to Acquire Interest in Subsidiaries and Affiliates Property and equipment expenditures Payments to Acquire Property, Plant, and Equipment Capital contribution Investment in Bridges at Mint Hill joint venture Payments to Acquire Interest in Joint Venture Property developments and redevelopments Cash expenditure for long-lived assets for the Operating Assets and Strategic Developments segments Payments to Acquire and Develop Real Estate Deferred financing costs Payments of Financing Costs Operating property improvements Payments to Develop Real Estate Assets Land, buildings and equipment and developments in progress pledged as collateral Pledged Assets, Not Separately Reported, Real Estate Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock: $.01 par value; 50,000,000 shares authorized, none issued Preferred Stock, Value, Issued Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares authorized Preferred Stock, Shares Authorized Prepaid expenses Prepaid Expense Prepaid Expenses and Other Assets Prepaid Expense and Other Assets [Abstract] Prepaid expenses and other assets, net Total prepaid expenses and other assets Prepaid Expense and Other Assets Prepaid Expenses and Other Current Assets [Member] Prepaid expenses and other assets Grant Herlitz President [Member] Amount of prior period reclassification Reimbursement for infrastructure improvements from municipality Cash distribution from HHMK Development representing the return of investment Proceeds from Contribution in Aid of Construction Proceeds from exercise of warrants Proceeds from Warrant Exercises Net proceeds Proceeds from Debt, Net of Issuance Costs Proceeds from issuance of management warrants Proceeds from issuance of Management warrants Proceeds from Issuance of Warrants Proceeds from insurance claims Proceeds from Insurance Settlement, Investing Activities Proceeds from issuance of mortgages, notes and loans payable Proceeds from Issuance of Long-term Debt Proceeds from sale of vacant retail space Proceeds from sale of property Proceeds from Sale of Real Estate Proceeds from sales of operating assets Proceeds from Sale of Productive Assets Share of distributable cash Proceeds from dispositions Proceeds from Sale of Equity Method Investments Net loss Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Extended life cycles of assets Estimated useful life Property, Plant and Equipment, Useful Life Buildings and equipment Property, Plant and Equipment, Gross Residual value Property, Plant, and Equipment, Salvage Value Investment in Real Estate Property, Plant and Equipment, Policy [Policy Text Block] Net property and equipment Property, Plant and Equipment, Net Schedule of estimated useful lives Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Axis] Useful lives of assets Property, Plant and Equipment [Line Items] Provision for doubtful accounts Provision for Doubtful Accounts Provision for doubtful accounts Change in provision QUARTERLY 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[Table Text Block] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Real Estate SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward] Reconciliation of Accumulated Depreciation SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Schedule of reconciliation of REP EBT to GAAP-basis net income (loss) TRANSACTIONS RELATED TO THE SPINOFF FROM GGP AND RELATED PARTIES Related Party Transactions Disclosure [Text Block] Transactions with related parties Related Party Transaction [Line Items] Related Party [Axis] Related Party [Domain] TRANSACTIONS RELATED TO THE SPINOFF FROM GGP AND RELATED PARTIES Principal payments on mortgages, notes and loans payable Repayments of Long-term Debt Repayments of mortgage debt from loan proceeds Repayments of Debt Cash paid in full satisfaction of loan assumed as 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