Document and Entity Information Statement [Table] Statement [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Entity Public Float Document Fiscal Year Focus Document Fiscal Period Focus CONSOLIDATED AND COMBINED BALANCE SHEETS Assets [Abstract] Assets Land Land Ground Leases, Gross Real property interests Real Estate Investment Property, at Cost Total land and real property interests Ground Leases, Accumulated Amortization Accumulated amortization of real property interests Accumulated amortization of real property interests Real Estate Investment Property, Net Land and net real property interests Financing Receivable, Net Investments in receivables – ending Investments in receivables – beginning Investments in receivables, net Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of year Cash and cash equivalents at beginning of year Cash and cash equivalents Accounts Receivable, Net Rent receivables, net Due from Affiliates. Due from Landmark and affiliates Deferred Finance Costs, Net Deferred loan costs, net Deferred Rent Receivables, Net Deferred rent receivable Finite-Lived Intangible Assets, Net Other intangible assets, net Net amount Other Assets Other assets Assets Total assets Assets Liabilities and Equity [Abstract] Liabilities and equity Long-term Line of Credit Revolving credit facility Amount outstanding Secured Debt Secured debt facility Secured debt outstanding Accounts Payable and Accrued Liabilities Accounts payable and accrued liabilities Below Market Lease, Net Net amount Other intangible liabilities, net Advance Rent Prepaid rent Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Fair Value Liability Derivative liabilities Derivative Liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 16) Partners' Capital Balance as of end of period Balance as of beginning of period Equity Liabilities and Equity Total liabilities and equity CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS Revenue Revenue Operating Leases, Income Statement, Lease Revenue Rental revenue Interest income, both collected and accreted, attributable to notes receivable. Notes Receivable Interest Income Interest income on receivables Interest income recognized Revenues Total revenue Total revenue Expenses Expenses Management Fee Expense Management fees to affiliate Direct Operating Costs Property operating General and Administrative Expense General and administrative Business Combination, Acquisition Related Costs Acquisition-related Amortization Amortization Amortization expense Asset Impairment Charges Impairments Recognized impairment charge Operating Expenses Total expenses Other income and expenses Other income and expenses Interest Expense Interest expense Gains (Losses) on Extinguishment of Debt Loss on early extinguishment of debt Loss on early extinguishment of debt Loss on Contract Termination Realized loss on derivatives Realized loss on derivative financial instruments Recognized realized loss on termination Amount of unrealized gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments. Unrealized Gain (Loss) on Interest Rate Derivative Instruments, Not Designated as Hedging Instruments Unrealized loss (gain) on derivatives Unrealized gain (loss) on derivatives Unrealized gain (loss) Amount of realized gain (loss) included in earnings for the period from the sale of ground leases, as well as the related finite-lived intangible assets attributable to acquired leases and of liabilities attributable to below market acquired leases. Gain Loss On Sale Of Ground Leases And Lease Intangible Assets And Below Market Lease Liabilities Gain on the sale of real property interest Gain on sale of real property interest Realized gain on sale Nonoperating Income (Expense) Total other income and expenses Income (Loss) Attributable to Parent Net income (loss) Net income (loss) Net income Net income (loss) attributable to the funds that contributed assets to the entity. Income (Loss) Attributable to Parent Funds That Contributed Assets to Entity Less: Net income (loss) attributable to Predecessor Net income (loss) from Acquired Assets attributable to predecessor Net Income (Loss) Allocated to Limited Partners Net income (loss) attributable to limited partners - basic Net loss attributable to partners Net income (loss) attributable to partners Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax [Abstract] Net income (loss) per limited partner unit Weighted-average units outstanding Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Units – basic (in dollars per share) Basic Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted Units – diluted (in dollars per share) Diluted Per unit of ownership amount after tax of income (loss) available to outstanding limited partnership (LP) unit-holder in instances when basic and diluted earnings per unit are the same amount and reported as a single line item on the face of the financial statements. Net Income (Loss) per Outstanding Limited Partnership Unit, Basic and Diluted, Net of Tax Units – basic and diluted (in dollars per share) Weighted Average Limited Partnership Units Outstanding Abstract Weighted-average limited partner units outstanding Net income (loss) per limited partner unit Weighted Average Limited Partnership Units Outstanding, Basic Units – basic (in shares) Basic (in shares) Weighted Average Limited Partnership Units Outstanding, Diluted Units – diluted (in shares) Units – diluted (in shares) Weighted average number of limited partnership units outstanding determined by relating the portion of time within a reporting period that limited partnership units have been outstanding to the total time in that period. Used in the calculation of basic and diluted net income or loss per limited partnership unit. Weighted Average Limited Partnership Units Outstanding, Basic and Diluted Weighted-average units outstanding – basic and diluted (in shares) Distribution Made to Limited Partner, Distributions Declared, Per Unit Cash distribution declared per unit (in dollars per share) CONSOLIDATED AND COMBINED STATEMENTS OF PARTNERS’ CAPITAL Increase (Decrease) in Partners' Capital [Roll Forward] Increase (decrease) in partners' capital Partners' Capital Account, Units Balance as of end of period (in units) Balance as of beginning of period (in units) Number of units held Contributions of cash made into the partnership. Partners Capital Account Cash Contributions Cash Contributions Contributions into the partnership in the form of ground leases and land, as well as the related finite-lived intangible assets attributable to acquired leases and of liabilities attributable to below market acquired leases, which is a noncash transaction. Partners Capital Account Contributions Of Ground Leases And Lease Intangible Assets And Below Market Lease Liabilities Contributions of real property interests Partners' Capital Account, Contributions Contributions of assets by Landmark Infrastructure Partners LP Predecessor Partners' Capital Account, Units, Contributed Contributions of assets by Landmark Infrastructure Partners LP Predecessor (in units) Partners' Capital Account, Private Placement of Units Proceeds from sale of subordinated units to Landmark Partners' Capital Account, Units, Sold in Private Placement Proceeds from sale of subordinated units to Landmark (in units) Net income (loss) from Acquired Assets attributable to predecessor of the entity. Net income (loss) from Acquired Assets attributable to predecessor Net income (loss) from Acquired Assets attributable to predecessor The distribution of partners' capital in exchange for the assets sold to the entity by general partner. Distribution of partners' capital attributable to assets acquired from general partner Net investment of Acquired Assets Partners' Capital Account, Acquisitions Issuance of units in connection with the Acquired Funds Partners' Capital Account, Units, Acquisitions Issuance of units in connection with the Acquired Funds (in units) Partners' Capital Account, Public Sale of Units Issuance of common units, net of offering costs Partners' Capital Account, Units, Sold in Public Offering Units issued Issuance of units in connection with public offering (in units) Partners' Capital Account, Distributions Distributions Contributions of funding by related party so the entity could reimburse the same partner for partnership-related expenses, which is a noncash transaction. Partners Capital Account Contribution Funding Of Partnership Expense Reimbursement To Affiliate Capital contribution to fund general and administrative expense reimbursement Partners' Capital Account, Unit-based Compensation Unit-based compensation Partners' Capital Account, Units, Unit-based Compensation Unit-based compensation (in units) Offering Costs, Partnership Interests Offering costs CONSOLIDATED AND COMBINED STATEMENTS OF CASH FLOWS Cash Flow Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities Issuance of Stock and Warrants for Services or Claims Unit-based compensation Amortization of above and below Market Leases Amortization of above-and below-market leases Amortization of Financing Costs Amortization of deferred loan costs Deferred loan costs amortization Interest income attributable to the accretion of interest on notes receivable during the period. Notes Receivable Interest Accretion Receivables interest accretion Interest accretion Amount of expense related to write-down of investments in receivables. Provision for Investments In Receivables Allowance for investments in receivables Provision for Doubtful Accounts Allowance for doubtful accounts Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Leasing Receivables Rent receivables, net Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued liabilities The increase (decrease) during the reporting period in the amount due that is the result of the cumulative difference between actual rent due and rental income recognized on a straight-line basis. Increase Decrease In Deferred Rent Receivable Deferred rent receivables Increase (Decrease) in Prepaid Rent Prepaid rent Increase (Decrease) in Due to Affiliates Due from Landmark and affiliates Increase (Decrease) in Other Operating Assets Other assets Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investing activities Payments to Acquire Land Acquisition of land Payments to acquire ground leases, as well as the related finite-lived intangible assets attributable to acquired leases and of liabilities attributable to below market acquired leases Payments To Acquire Ground Leases And Lease Intangible Assets And Below Market Lease Liabilities Acquisition of real property interests Net proceeds from the sale of ground leases, as well as the related finite-lived intangible assets attributable to acquired leases and of liabilities attributable to below market acquired leases. Net Proceeds From Sale Of Ground Leases And Lease Intangible Assets And Below Market Lease Liabilities Proceeds from sale of real property interest Payments to Acquire Receivables Acquisition of receivables Proceeds from Collection of Notes Receivable Repayments Repayments of receivables Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Financing activities Proceeds from Issuance of Common Limited Partners Units Proceeds from public offerings, net of offering costs Proceeds from Issuance Initial Public Offering Gross proceeds, sale of units Proceeds from sale of subordinated units to Landmark Proceeds from Lines of Credit Proceeds from revolving credit facility Proceeds from Issuance of Secured Debt Proceeds from secured debt facilities Repayments of Lines of Credit Principal payments on revolving credit facility Pay down of revolving credit facility Repayments of Secured Debt Principal payments on secured debt facilities Payments of Financing Costs Deferred loan costs The cash inflow from a capital contribution to fund general and administratives expense reimbursement. Capital Contribution To Fund General And Administrative Expense Reimbursement Capital contribution to fund general and administrative expense reimbursement Proceeds from Contributions from Affiliates Contribution from Contributing Landmark Funds members The distribution of earnings to the funds that originally contributed assets as part of the formation of the entity. Distribution Made to Funds That Contributed Assets to Entity Distribution Paid Distributions to Contributing Landmark Funds Distribution Made to Limited Partner, Cash Distributions Paid Distributions to limited partners Cash distribution Payments of Distributions to Affiliates Consideration paid to general partner associated with Acquired Assets Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by (used in) financing activities Net cash provided by (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Organization The entire disclosure describing the organization of the entity, the initial public offering and the formation transactions. Organization And Formation Transactions [Text Block] Organization n/a. Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Summary of Significant Accounting Policies Acquisitions Business Combination Disclosure [Text Block] Acquisitions Real Property Interests Real Estate Owned [Text Block] Real Property Interests n/a. Other Intangible Assets and Liabilities The entire disclosure of finite-lived intangible assets attributable to acquired leases and of liabilities attributable to below market acquired leases. Lease Intangible Assets And Below Market Lease Liabilities Disclosure [Text Block] Other Intangible Assets and Liabilities Future Minimum Rents Leases of Lessor Disclosure [Text Block] Future Minimum Rents Investments in Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Investments in Receivables Debt Debt Disclosure [Text Block] Debt Interest Rate Swap Agreements Derivative Instruments and Hedging Activities Disclosure [Text Block] Interest Rate Swap Agreements Unit-Based Compensation The entire disclosure for compensation-related costs for equity-based and cash-based compensation. Disclosure Of Compensation Related Costs Share Based And Cash Payments Text Block Unit-Based Compensation Equity Partners' Capital Notes Disclosure [Text Block] Equity Net Income (Loss) Per Limited Partner Unit Earnings Per Share [Text Block] Net Income (Loss) Per Limited Partner Unit Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Fair Value of Financial Instruments Related‑Party Transactions Related Party Transactions Disclosure [Text Block] Related-Party Transactions Segment Information Segment Reporting Disclosure [Text Block] Segment Information Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Tenant Concentration Concentration Risk Disclosure [Text Block] Tenant Concentration Income Taxes Income Tax Disclosure [Text Block] Income Taxes Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Supplemental Cash Flow Information Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Quarterly Financial Data (Unaudited) SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Text Block] SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION Consolidation, Policy [Policy Text Block] Basis of Presentation and Principles of Consolidated and Combined Financial Statements Use of Estimates, Policy [Policy Text Block] Use of Estimates Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] Purchase Accounting for Acquisitions Disclosure of accounting policy for real property interests including description, amortization and impairment. Real Property Interests Policy Real Property Interests Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Derivatives, Methods of Accounting, Derivatives Not Designated or Qualifying as Hedges [Policy Text Block] Accounting for Derivative Financial Instruments and Hedging Activities Finance, Loan and Lease Receivables, Held-for-investment, Policy [Policy Text Block] Investments in Receivables, Net Deferred Charges, Policy [Policy Text Block] Deferred Loan Costs Revenue Recognition Leases, Operating [Policy Text Block] Revenue Recognition Finance, Loans and Leases Receivable, Policy [Policy Text Block] Rents Receivable, net Income Tax, Policy [Policy Text Block] Income Taxes Disclosure of the entity's risk management policy. Risk Management Policy [Policy Text Block] Risk Management Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Segment Reporting, Policy [Policy Text Block] Business Segments New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Standards Condensed Income Statement [Table Text Block] Statement of Income Condensed Cash Flow Statement [Table Text Block] Cash Flow Condensed Balance Sheet [Table Text Block] Balance Sheet Tabular disclosure of the entity's land and real property interests, as well as accumulated amortization related to the interests. Real Property Interests Table TextBlock Summary of the Partnership’s real property interests