Document and Entity Information Statement [Table] Statement [Line Items] Statement CONSOLIDATED STATEMENTS OF CASH FLOWS Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONDENSED CONSOLIDATED BALANCE SHEETS Assets [Abstract] Assets: Real Estate Investments, Net [Abstract] Investment in real estate: Real Estate Investments, Other Master Planned Community assets Land Land Book value of land contributed to joint venture Property, Plant and Equipment, Gross Buildings and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Development in Process Developments Property, Plant and Equipment, Net Net property and equipment Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investment in Real Estate and Other Affiliates Carrying Value Real Estate Investment Property, Net Net investment in real estate Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Accounts Receivable, Net Accounts receivable, net 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 Municipal Utility District receivables, net Financing Receivable, Net Notes receivable, net Deferred Costs Deferred expenses, net Prepaid Expense and Other Assets Prepaid expenses and other assets, net Total prepaid expenses and other assets Assets Held-for-sale, Not Part of Disposal Group Property held for sale Net carrying value Assets Assets Total assets Liabilities [Abstract] Liabilities: Notes and Loans Payable Mortgages, notes and loans payable Total mortgages, notes and loans payable Deferred Income Tax Liabilities, Net Deferred tax liabilities Warrants and Rights Outstanding Warrant liabilities Warrants Liability for Uncertain Tax Positions, Noncurrent Uncertain tax position liability Accounts Payable and Accrued Liabilities. Accounts payable and accrued expenses Total accounts payable and accrued expenses Liabilities Total liabilities Commitments and Contingencies. Commitments and Contingencies (see Note 15) Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Common Stock, Value, Issued Common stock: $.01 par value; 150,000,000 shares authorized, 39,851,036 shares issued and 39,838,975 outstanding as of September 30, 2016 and 39,714,838 shares issued and outstanding as of December 31, 2015 Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Balance at the end of the period Balance at the beginning of the period Accumulated other comprehensive loss Treasury Stock, Value Treasury stock, at cost, 12,061 and 0 shares as of September 30, 2016 and December 31, 2015, respectively Stockholders' Equity Attributable to Parent Total stockholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance at the end of the period Balance at the beginning of the period Total equity Liabilities and Equity Total liabilities and equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Treasury Stock, Shares Treasury stock, shares held CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Revenues [Abstract] Revenues: Represents revenue from the sale of condominium rights and unit property during the period. Condominium Rights And Unit Sales Revenue Percentage of completion revenue recognition from sale of condominium rights and unit sales Condominium rights and unit sales Land Sales Master Planned Community land sales Land sales Operating Leases, Income Statement, Minimum Lease Revenue Minimum rents Revenue from sale under builder price participation during the period. Builder Price Participation Revenue Builder price participation Tenant Reimbursements Tenant recoveries Reimbursement from a tenant Represents the information pertaining to hospitality revenues. Hospitality Revenues Hospitality revenues This element represents other land revenues. Other Land Revenues Other land revenues Other Real Estate Revenue Other rental and property revenues Revenues Total revenues Revenues since the acquisition date Costs and Expenses [Abstract] Expenses and other income: Represents costs incurred directly related to generating condominium unit sales revenue. Condominium Rights And Unit Cost Of Sales Condominium rights and unit cost of sales Cost of Real Estate Sales Master Planned Community cost of sales Cost of sales - land Costs of Real Estate Services and Land Sales Master Planned Community operations Other Cost and Expense, Operating Other property operating costs Real Estate Tax Expense Rental property real estate taxes Cost of Property Repairs and Maintenance Rental property maintenance costs Represents the information pertaining to hospitality expenses. Hospitality Expenses Hospitality costs Provision for Doubtful Accounts Provision for doubtful accounts Provision for (recovery of) doubtful accounts Represents expenses related to demolition of real estate properties. Demolition Costs Demolition costs Marketing Expense Development-related marketing costs General and Administrative Expenses General and administrative General and administrative Other Income Other (income) expense, net Corporate other income, net Gain (Loss) on Sale of Properties, before Applicable Income Taxes Gain on sale of 80 South Street Assemblage Depreciation, Depletion and Amortization, Nonproduction Corporate depreciation and amortization Depreciation and amortization Impairment of Long-Lived Assets to be Disposed of Total (Loss) - Nine Months Provision for impairment Costs and Expenses Total expenses, net of other income Operating Income (Loss) Operating income Investment Income, Interest Interest income Interest income Interest Expense. Interest expense Corporate interest expense, net Warrant Liability Gain (Loss) Warrant liability (loss) gain Warrant liability loss (gain) Gain (loss) from the acquisition of joint venture partner's interest. Gain (Loss) on Acquisition of Joint Venture Partner's Interest Gain on acquisition of partner's interest in Millennium Six Pines Apartments Gain on acquisition of joint venture partner’s interest Gain (Loss) on Disposition of Business Gain on sale of The Club at Carlton Woods Equity in Earnings (Loss) from Real Estate Affiliates Equity in earnings from Real Estate and Other Affiliates Equity in earnings Equity in earnings from Real Estate and Other Affiliates Share of Earnings/Dividends Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Pre-tax net loss since the acquisition date Income before taxes Income Tax Expense (Benefit) Provision for income taxes Provision for income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net income (loss) Net Income (Loss) Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Net income attributable to common stockholders Net income attributable to common stockholders Earnings Per Share, Basic Basic income per share: (in dollars per share) Earnings Per Share, Diluted Diluted income per share: (in dollars per share) CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Interest rate swaps (a) Interest rate swaps, net of tax Settled derivative gains and losses, net of tax, associated with hedged variable debt for which the underlying interest is capitalizable. Other Comprehensive Income Loss Capitalized Swap Interest Net Of Tax Capitalized swap interest expense (b) Capitalized swap interest, net of tax benefit Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax Pension adjustment (c) Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to common stockholders Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Interest rate swaps, deferred tax expense Tax effect of settled derivative gains and losses, associated with hedged variable debt for which the underlying interest is capitalizable. Other Comprehensive Income Loss Capitalized Swap Interest Tax Capitalized swap interest, deferred tax benefit Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Pension adjustment, tax Pension adjustment, net of tax CONDENSED CONSOLIDATED STATEMENTS OF EQUITY Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Accumulated Deficit [Member] Aoci Including Portion Attributable To Noncontrolling Interest [Member] Accumulated Other Comprehensive Income (Loss) [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Balance at the end of the period, shares Balance at the beginning of the period, shares Dividends, Preferred Stock, Cash Preferred dividend payment on behalf of REIT subsidiary Noncontrolling Interest, Increase from Subsidiary Equity Issuance Adjustment to noncontrolling interest Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Pension adjustment, net of tax Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock plan activity Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock plan activity, shares Treasury Stock, Value, Acquired, Cost Method Treasury stock activity Treasury Stock, Shares, Acquired Treasury stock activity (in shares) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Interest rate swaps, tax 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 (benefit) Capitalized swap intererst, tax (benefit) CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash Flows from Operating Activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to cash used in operating activities: Depreciation Depreciation Amortization Amortization Amortization of Financing Costs and Discounts Amortization of deferred financing costs 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 Amortization of intangibles other than in-place leases Straight Line Rent Straight-line rent amortization Deferred Income Tax Expense (Benefit) Deferred income taxes Allocated Share-based Compensation Expense Restricted stock and stock option amortization Stock based compensation costs Gain (Loss) on Sale of Properties Gain on disposition of assets Pre-tax gain recognized on sale of property Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Equity in earnings from Real Estate and Other Affiliates, net of distributions Represents master planned community land acquisitions expenditure during the period. Master Planned Community Land Acquisitions Master Planned Community land acquisitions Represents master planned community development expenditures during the period. Master Planned Community Development Expenditures Master Planned Community development expenditures Represents master planned community cost of sales. Master Planned Community Cost of Sales Master Planned Community cost of sales Represents condominium development expenditures during the period. Condominium Development Expenditures Condominium development expenditures Represents condominium and other cost of sales. Condominium and Other Cost of Sales Condominium rights and unit cost of sales Represents the amount of deferred rental income. Deferred Rental Income Deferred rental income Increase (Decrease) in Operating Capital [Abstract] Net changes: Increase (Decrease) in Accounts and Notes Receivable Accounts and notes receivable Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Customer Deposits Condominium deposits received Increase (Decrease) in Deferred Charges Deferred expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Represents the amount of condominium deposits that are held in escrow. Condominium Deposits Held In Escrow Condominium deposits held in escrow The amount of condominium deposits that were released from escrow. Condominium Deposits Release From Escrow Condominium deposits released from escrow Increase (Decrease) in Other Operating Assets and Liabilities, Net Other, net Net Cash Provided by (Used in) Operating Activities, Continuing Operations Cash provided by (used in) operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash Flows from Investing Activities: Payments to Acquire Property, Plant, and Equipment Property and equipment expenditures Payments to Develop Real Estate Assets Operating property improvements Payments to Acquire and Develop Real Estate Property developments and redevelopments Proceeds from Advances for Construction Proceeds from grant to reimburse development costs Proceeds from Sale of Real Estate Held-for-investment Proceeds from dispositions Proceeds from Insurance Settlement, Investing Activities Proceeds from insurance claims Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital Investment in KR Holdings, LLC Payments to Acquire Businesses, Net of Cash Acquired Acquisition of partner's interest in Millennium Six Pines Apartments (net of cash acquired) Proceeds from Distributions Received from Real Estate Partnerships Distributions from Real Estate and Other Affiliates Origination of Notes Receivable from Related Parties Note issued to Real Estate Affiliate Repayment of Notes Receivable from Related Parties Proceeds from repayment of note to Real Estate Affiliate Payments to Acquire Interest in Subsidiaries and Affiliates Investments in Real Estate and Other Affiliates, net Increase (Decrease) in Restricted Cash Change in restricted cash Payments for (Proceeds from) Other Investing Activities Other Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash Flows from Financing Activities: Proceeds from Issuance of Long-term Debt Proceeds from mortgages, notes and loans payable Net cash proceeds received from issuance Repayments of Long-term Debt Principal payments on mortgages, notes and loans payable This element represents special improvement district bond funds, held in escrow. Special Improvement District Bond Funds Held in Escrow Special Improvement District bond funds held in escrow Payments of Financing Costs Deferred financing costs Payments Related to Tax Withholding for Share-based Compensation Taxes paid on vested restricted stock Proceeds from Stock Options Exercised Stock Options Exercised Net Cash Provided by (Used in) Financing Activities, Continuing Operations Cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental Disclosure of Cash Flow Information: Interest Paid Interest paid Interest Costs Capitalized Interest capitalized Income Taxes Paid Income taxes paid Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-Cash Transactions: 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 Represents cash outflows and inflows related to property developments and redevelopments. Property Developments And Redevelopments Property developments and redevelopments Represents the accrued interest included in construction loan payable. Accrued Interest Included In Construction Loan Payable Non Cash Accrued interest on construction loan borrowing MPC land contributed to Real Estate Affiliate. Land Contributed to Real Estate Affiliate MPC Land contributed to Real Estate Affiliate Special Improvement District bond transfers to Real Estate Affiliates Special Improvement District bond transfers to Real Estate Affiliates Special Improvement District bond transfer to Real Estate Affiliate Amounts capitalized relating to share based compensation Capitalized Share Based Compensation Capitalized stock compensation