Leases [Abstract] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Tenant Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Operating Leases Schedule of Rent Expense [Table Text Block] Supplemental Cash Flow Elements [Abstract] Supplemental Disclosure of Cash Flow Information and Non-cash Investing and Financing Activities Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Condensed Consolidated Balance Sheet (Parenthetical) [Abstract] Condensed Consolidated Balance Sheet (Parenthetical) [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Statement [Line Items] Statement [Line Items] Allowance for doubtful accounts receivable, current Accounts Receivable, Allowance for Credit Loss, Current Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies [Abstract] Receivables Allowance Accounts Receivable [Policy Text Block] General, Leases [Policy Text Block] General, Leases [Policy Text Block] General, Leases [Policy Text Block] Lessee, Leases [Policy Text Block] Lessee, Leases [Policy Text Block] Lessor, Leases [Policy Text Block] Lessor, Leases [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Asset Retirement Obligations Asset Retirement Obligation [Policy Text Block] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Other Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Deferred Credits Deferred Credits [Policy Text Block] Policy for accounting for deferred credits Deferred Financing Costs Deferred Charges, Policy [Policy Text Block] Revenue Recognition Revenue [Policy Text Block] Cost of Operations Cost of Goods and Service [Policy Text Block] Management Fee Management Fee, Policy [Policy Text Block] Management Fee, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Fair Values Fair Value of Financial Instruments, Policy [Policy Text Block] Reporting Segments Segment Reporting, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Leases Leases [Text Block] This disclosure represents the Company’s Lease footnote (operating and financing leases) Debt and Other Obligations [Abstract] Debt and Other Obligations [Abstract} 2019 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2020 Long-term Debt, Maturities, Repayments of Principal in Year Two 2021 Long-term Debt, Maturities, Repayments of Principal in Year Three 2022 Long-term Debt, Maturities, Repayments of Principal in Year Four 2023 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total Cash Obligations Long-term Debt, Gross Total Debt Outstanding Long-term Debt Debt Instrument, Unamortized Deferred Financing Costs Debt Instrument, Unamortized Discount Debt and Other Obligations Debt and Capital Leases Disclosures [Text Block] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Schedule Of Interest Expense And Amortization Of Deferred Financing Costs [Text Block] Schedule Of Interest Expense And Amortization Of Deferred Financing Costs [Text Block] Schedule of interest expense and amortization of deferred financing costs. Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statement of Cash Flows [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Restatement Adjustment [Member] Restatement Adjustment [Member] Other Adjustment [Member] Other Adjustment [Member] Other Adjustment [Member] Previously Reported [Member] Previously Reported [Member] Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Amortization of deferred financing costs Amortization Of Deferred Financing Costs And Other Noncash Interest The components of interest expense representing the non-cash expenses against earnings in the period including amortization of deferred financing costs, interest rate swaps, adjustments on long-term debt and other non-cash interest. Asset write-down charges Asset Impairment Charges Gains (losses) on retirement of debt Gain (Loss) on Extinguishment of Debt Increase (decrease) in accrued interest Increase (Decrease) in Interest Payable, Net Increase (decrease) in accounts payable Increase (Decrease) in Accounts Payable, Trade Increase (decrease) in other liabilities Increase (Decrease) in Other Operating Liabilities Increase (Decrease) in Receivables Increase (Decrease) in Receivables Increase (Decrease) in Other Operating Assets Increase (Decrease) in Other Operating Assets Net Cash Provided by (Used in) Operating Activities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Productive Assets Payments to Acquire Productive Assets Payments for (Proceeds from) Other Investing Activities Payments for (Proceeds from) Other Investing Activities Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Investing Activities Proceeds from Issuance of Long-term Debt Proceeds from Issuance of Long-term Debt Increase (Decrease) Due from Affiliates Increase (Decrease) Due from Affiliates Net Cash Provided by (Used in) Financing Activities Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Property, Plant and Equipment [Abstract] Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Quarterly Financial Information [Abstract] Quarterly Financial Information [Abstract] Quarterly Financial Information [Table] Quarterly Financial Information [Table] Quarterly Financial Information [Table] Quarterly Financial Information [Line Items] Quarterly Financial Information [Line Items] [Line Items] for Quarterly Financial Information [Table] Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Year [Axis] Year [Axis] Year [Axis] Year [Domain] Year [Domain] [Domain] for Year [Axis] Amortization expense, 2019 [Member] Amortization expense, Year 1 [Member] Amortization expense, Year 1 [Member] Amortization expense, 2020 [Member] Amortization expense, Year 2 [Member] Amortization expense, Year 2 [Member] Amortization expense, 2021 [Member] Amortization expense, Year 3 [Member] Amortization expense, Year 3 [Member] Amortization expense, 2022 [Member] [Domain] Amortization expense, Year 4 [Member] Amortization expense, Year 4 [Member] Amortization expense, 2023 [Member] Amortization expense, Year 5 [Member] Amortization expense, Year 5 [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Above Market Leases [Member] Above Market Leases [Member] Site Rental Contracts and Tenant Relationships [Member] Site Rental Contracts and Customer Relationships [Member] Site Rental Contracts and Customer Relationships Other Intangible Assets [Member] Other Intangible Assets [Member] Statement, Scenario [Axis] Scenario [Axis] Scenario [Domain] Scenario [Domain] Depreciation, Amortization and Accretion [Member] Depreciation, Amortization and Accretion [Member] Depreciation, Amortization and Accretion Site Rental Costs of Operations [Member] Site Rental Costs of Operations [Member] Site Rental Costs of Operations Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Amortization of Above Market Leases Amortization of Above Market Leases Amortization expense for the current year related to the Company’s above-market leases recorded in site rental costs of operations Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross 2019 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Five Amortization of Intangible Assets Amortization of Intangible Assets Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Other Intangible Assets, net Other Intangible Assets, Net Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Expected Above-Market Lease Amortization Expense Expected Above-Market Lease Amortization Expense Expected amortization expense related to the Company’s above-market leases recorded in site rental costs of operations Income Statement [Abstract] Income Statement [Abstract] Net revenues: Revenues [Abstract] Revenues from tenant contracts Operating Leases, Income Statement, Lease Revenue Amortization of service revenues Amortization of service revenues Amortization of service revenues Revenues Revenues Operating expenses: Operating Expenses [Abstract] Site rental costs of operations—third parties(b) Direct Costs of Leased and Rented Property or Equipment, Third Party Costs incurred with third parties that are directly related to generating revenues from leased and rented property or equipment. Site rental costs of operations—related parties(b) Direct Costs of Leased and Rented Property or Equipment, Related Party Costs incurred with related parties that are directly related to generating revenues from leased and rented property or equipment. Site rental costs of operations—total(b) Direct Costs of Leased and Rented Property or Equipment Management fee—related party Management Fee Expense Related Party Amount of expenses charged by affiliate related to the management services to maintain, market, operate, manage and administer the towers. Asset write-down charges Depreciation, amortization and accretion Total operating expenses Costs and Expenses Operating income (loss) Operating Income (Loss) Interest expense and amortization of deferred financing costs Interest expense and amortization of deferred financing costs The cost of borrowed funds and the amortization of interest rate swaps accounted for as interest that was charged against earnings during the period. Other income (expense) Other Nonoperating Income (Expense) Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Benefit (provision) for income taxes Income Tax Expense (Benefit) Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Estimated Annual Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Risks and Uncertainties [Abstract] A Summary of the Percentage of the Consolidated Revenues for Those Customers Accounting for More than 10% of the Consolidated Revenues Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Fair Value Disclosures Fair Value Disclosures Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Cash and cash equivalents, carrying value Cash and cash equivalents, fair value Cash and Cash Equivalents, Fair Value Disclosure Long-term debt and other obligations, carrying amount Debt and Lease Obligation Long-term debt and other obligations, fair value Debt And Capital Lease Obligations Fair Value Disclosures Sum of the fair values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Equity Component [Domain] Members' Capital [Member] Members' Capital [Member] Members' Capital [Member] Scenario [Axis] Equity contribution related to debt repayment [Member] Equity contribution related to debt repayment [Member] Equity contribution related to debt repayment Net equity contribution from parent [Member] Net Equity contribution from parent [Member] Net Equity contribution from parent Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Affiliated Entity [Member] Affiliated Entity [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Previously outstanding 2012 secured notes tranche A [Member] 2012 secured notes tranche A [Member] 2012 secured notes tranche A [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 2012 Secured Notes [Member] 2012 Secured Notes [Member] 2012 Secured Notes [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Property management fee, percent fee Property Management Fee, Percent Fee Management Fee Related Party Transaction, Percentage of Towers Where Land is Owned by Related Party Related Party Transaction, Percentage of Towers Where Land is Owned by Related Party Related Party Transaction, Percentage of Towers Where Land is Owned by Related Party Direct Costs of Leased and Rented Property or Equipment, Related Party Rent Revenue of Leased and Rented Property or Equipment, Related Party Rent Revenue of Leased and Rented Property or Equipment, Related Party Rent Revenue of Leased and Rented Property or Equipment, Related Party Contribution (Distribution) from/to Member Previously outstanding Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Fair Value Disclosures [Abstract] Fair Value Disclosures Fair Value Disclosures [Text Block] Income Taxes [Abstract] Income Taxes [Abstract] Statement of Stockholders' Equity [Abstract] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] consolidated statement of equity [Table Text Block] consolidated statement of equity [Table Text Block] consolidated statement of equity [Table Text Block] Restatement of Financials [Text Block] Restatement of Financials [Text Block] Restatement of Financials [Text Block] Tower Write-Down Charges [Member] Tower Write-Down Charges [Member] Tower write-down charges Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Communications infrastructure [Member] Communications infrastructure [Member] Communications infrastructure Impact of adoption of ASU 2016-02 Impact of adoption of ASU 2016-02 Impact of adoption of ASU 2016-02 Current Liability for Deferred Ground Lease Payable Current Liability for Deferred Ground Lease Payable Current Liability for Deferred Ground Lease Payable Current Liability for Accrued Property Taxes Current Liability for Accrued Property Taxes Current Liability for Accrued Property Taxes Revenue Recognition Non-cancelable Lease Term Range, Minimum Rent Revenue, Lease Term Rent Revenue, Lease Term Stated interest rate Portion of Company Site Rental Costs That Are Ground Lease Expenses Portion of Company Site Rental Costs That Are Ground Lease Expenses Portion of Company site rental costs That are related to ground lease expenses Ground Lease Agreement Initial Term Ground Lease Agreement Term This disclosure represents the term of the Company’s ground lease agreements Estimated useful life, in years Property, Plant and Equipment, Useful Life Useful life of site rental contracts and customer relationships (years) Finite-Lived Intangible Asset, Useful Life Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] High Yield Bonds [Member] High Yield Bonds [Member] High Yield Bonds [Member] 2012 secured notes tranche B [Member] 2012 secured notes tranche B [Member] 2012 secured notes tranche B [Member] 2016 Senior Unsecured Notes issued by parent [Domain] 2016 Senior Unsecured Notes [Domain] Aggregate principal amount of 2016 Senior Unsecured Notes [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] (Gains) losses on retirement of debt Write-off of deferred financing costs and discounts Write-off of deferred financing costs and discounts Write-off of deferred financing costs and discounts. Total debt and other obligations Face value of debt Long-term Debt and Lease Obligation Debt covenant, trade payable restriction of equipment, land or other property, amount Debt Covenant, Trade Payable Restriction Of Equipment, Land or Other Property, Amount Debt Covenant, Trade Payable Restriction Of Equipment, Land or Other Property, Amount Debt covenant, debt to adjusted consolidated cash flow Debt Covenant, Debt to Adjusted Consolidated Cash Flow Debt Covenant, Debt to Adjusted Consolidated Cash Flow Debt to adjusted cash flow ratio Debt to Adjusted Cash Flow Ratio Debt to Adjusted Cash Flow Ratio Guarantees [Abstract] Guarantor Subsidiaries Guarantees [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Land [Member] Land [Member] Communications infrastructure [Member] Construction in Process [Member] Construction in Progress [Member] Minimum [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Total gross property and equipment Property, Plant and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property and equipment, net Property, Plant and Equipment, Net Property, plant and equipment, useful life Depreciation expense Depreciation Capital Leased Assets, Gross Capital Leased Assets, Gross Accumulated Depreciation on Capital Lease Assets Accumulated Depreciation on Capital Lease Assets Accumulated Depreciation on Capital Lease Assets Basis of Presentation [Abstract] Basis of Presentation [Abstract] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Cash flows from operating activities(a): Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Decrease (increase) in receivables Decrease (increase) in other assets Net cash provided by (used for) operating activities Cash flows from investing activities(a): Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Net cash provided by (used for) investing activities Cash flows from financing activities(a): Net Cash Provided by (Used in) Financing Activities [Abstract] Purchases and redemptions of debt Repayments of Long-term Debt Net cash provided by (used for) financing activities Net increase (decrease) in cash and cash equivalents Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Greater than 10 Years, Inclusive of Renewals at the Company's Option [Member] Greater than 10 Years Inclusive of Renewals at the Company's Option [Member] Greater than 10 Years Inclusive of Renewals at Company's Option Greater than 20 Years, Inclusive of Renewals at the Company's Option [Member] Greater than 20 Years Inclusive of Renewals at the Company's Option [Member] Greater than 20 Years, Inclusive of Renewals at the Company's Option Property Subject to or Available for Operating Lease [Line Items] Property Subject to or Available for Operating Lease [Line Items] Finance Lease, Right-of-Use Asset Finance Lease, Right-of-Use Asset Operating Leases, Rent Expense, Net Operating Lease, Expense Weighted average remaining term of tenant leases Weighted Average Remaining Term Of Tenant Leases at the Tenant's Option Weighted-average remaining term of tenant leases, exclusive of renewals at the tenant's option Maximum Current Term Maximum Current Term Maximum current term of tenant contracts, excluding the exercise of tenant renewal options. Tenant Leases 2019 Operating Leases, Future Minimum Payments Receivable, Current Tenant Leases 2020 Operating Leases, Future Minimum Payments Receivable, in Two Years Tenant Leases 2023 Operating Leases, Future Minimum Payments Receivable, in Five Years Tenant Leases thereafter Operating Leases, Future Minimum Payments Receivable, Thereafter Total tenant leases Operating Leases, Future Minimum Payments Receivable Percentage of towers that are on land that has non-cancelable operating leases Percentage of towers that is on land that has non-cancelable operating leases The percentage of towers, office space and equipment that is on land that has non-cancelable operating leases. Percentage of site rental gross margin that is derived from wireless infrastructure where the lease for the land has a final expiration date Percentage of site rental gross margin that is derived from towers where the lease for the land has a final expiration date Percentage of site rental gross margin that is derived from towers where the lease for the land has a final expiration date. Operating leases, owned land under tower, expiration term Maximum Lease Term, Years Maximum current lease expiration term, in years, of operating leases for tower under which the company owns land. Operating leases, leased land under tower, expiration term Operating Leases, Leased Land Under Tower, Expiration Term Operating Leases, Leased Land Under Tower, Expiration Term Estimated useful life, in years Operating leases 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating leases 2020 Operating Leases, Future Minimum Payments, Due in Two Years Operating leases 2021 Operating Leases, Future Minimum Payments, Due in Three Years Operating leases 2022 Operating Leases, Future Minimum Payments, Due in Four Years Operating leases 2023 Operating Leases, Future Minimum Payments, Due in Five Years Operating leases thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total operating leases Operating Leases, Future Minimum Payments Due Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Rental expense from operating leases Operating Lease And Rental Expense Rental expense incurred for leased assets. Contingent rental payments Operating Leases, Rent Expense, Contingent Rentals Variable Lease, Cost Variable Lease, Cost Lease, Cost Lease, Cost Finance leases right-of-use asset, accumulated amortization Finance leases right-of-use asset, accumulated amortization Finance leases right-of-use asset, accumulated amortization Amortization of Leased Asset Amortization of Leased Asset Operating Lease, Liability Operating Lease, Liability Operating Leases, Future Minimum Payments Receivable, in Three Years Operating Leases, Future Minimum Payments Receivable, in Three Years Operating Leases, Future Minimum Payments Receivable, in Four Years Operating Leases, Future Minimum Payments Receivable, in Four Years Schedule III Real Estate & Accumulated Depreciation [Abstract] Schedule III Real Estate & Accumulated Depreciation [Abstract] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Real Estate [Domain] Real Estate [Domain] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Property, Plant and Equipment, Gross SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Communications Infrastructure Construction and Improvements Communications Infrastructure Construction SEC Schedule III, Real Estate Additions - Wireless Infrastructure Construction Purchase of land interests Purchase of land interests SEC Schedule III, Real Estate Additions - Purchase of land interests Sustaining Capital Expenditures SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Addition SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Addition Real Estate Period Additions to Cost Real Estate Period Additions to Cost SEC Schedule III - Total Real Estate Period Additions to Cost SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction Real estate period deductions Real estate period deductions Real estate period deductions SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold Real Estate Period Deductions to Accumulated Depreciation Real Estate Period Deductions to Accumulated Depreciation SEC Schedule III - Real Estate Period Deductions to Accumulated Depreciation Related Party Transactions Disclosure Related Party Transactions Disclosure [Text Block] Concentration of Credit Risk Concentration Risk Disclosure [Text Block] Statement of Financial Position [Abstract] restatement adjustment for ARO [Member] restatement adjustment for ARO [Member] restatement adjustment for ARO [Member] Other [Member] Other [Member] Other Site Rental Revenues Site Rental Revenues Contains revenue from accounted under both Topic 606 (Finance leases) and Topic 842 (Operating leases) Property and equipment, net Asset Retirement Obligations, Noncurrent Asset Retirement Obligations, Noncurrent Deferred revenues Deferred Revenue, Current Liabilities, Current Liabilities, Current Assets Assets Other long-term liabilities(a) Other Liabilities, Noncurrent Liabilities Liabilities Members' Equity Members' Equity Accumulated earnings (deficit) Retained Earnings (Accumulated Deficit) Liabilities and Equity Liabilities and Equity Costs and Expenses Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Payments to Acquire Productive Assets Interest expense and amortization of deferred financing costs Receivables, net of allowance of $1,631 and $1,601, respectively Accounts Receivable, after Allowance for Credit Loss, Current Prepaid expenses(a) Prepaid Expense, Current Deferred Tax Assets, Net of Valuation Allowance, Current Deferred Tax Assets, Net of Valuation Allowance, Current Other current assets Other Assets, Current Assets, Current Assets, Current Deferred site rental receivables Deferred Rent Receivables, Net, Noncurrent Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Goodwill Goodwill Site rental contracts and tenant relationships, net Site Rental Contracts And Tenant Relationships Net Sum of the carrying amounts of the intangible assets that arise from site rental contracts and customer relationships, as of the balance sheet date, net of accumulated amortization. Other intangible assets, net(a) Long-term prepaid rent and other assets, net(a) Other Assets, Noncurrent Accounts payable Accounts Payable, Current Accrued interest Interest Payable, Current Other accrued liabilities(a) Accrued Liabilities, Current Current portion of operating lease liabilities, third party Current portion of operating lease liabilities, third party Current portion of operating lease liabilities, third party Current portion of operating lease liabilities, related party Current portion of operating lease liabilities, related party Current portion of operating lease liabilities, related party Debt Deferred Tax Liabilities, Net, Noncurrent Deferred Tax Liabilities, Net, Noncurrent Operating lease liabilities, third party Operating lease liabilities, third party Operating lease liabilities, third party Member's equity Members' Capital Operating lease liabilities, related party Operating lease liabilities, related party Operating lease liabilities, related party Deferred Rent Credit, Noncurrent Deferred Rent Credit, Noncurrent Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Direct Costs of Leased and Rented Property or Equipment Operating Income (Loss) Interest Expense and Amortization of Deferred Financing Costs, Third Party Interest Expense and Amortization of Deferred Financing Costs, Third Party The cost incurred with third parties for borrowed funds and the amortization of deferred financing costs accounted for as interest that was charged against earnings during the period. SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] End of year balance SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Charged to operations SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Credited to operations SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Written off SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery Movement in Valuation Allowances and Reserves Movement in Valuation Allowances and Reserves [Table Text Block] Movement in Valuation Allowances and Reserves [Table Text Block] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Commitments and Contingencies [Abstract] Commitments and Contingencies Contractual Terms [Axis] Contractual Terms [Axis] Contractual Terms [Axis] Contractual Terms [Domain] Contractual Terms [Domain] [Domain] for Contractual Terms [Axis] Leased or Operated Under Sprint Master Lease Agreements [Member] Leased or Operated Under Master Lease Agreements [Member] Leased or Operated Under Master Lease Agreements [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Parties to Contractual Arrangement [Axis] Lease Arrangement, Type [Axis] Parties to Contractual Arrangement [Domain] Lease Arrangement, Type [Domain] Sprint [Member] Sprint [Member] Sprint Site count as a percentage of total sites Site count as a percentage of total sites Site count as a percentage of total sites Accretion expense related to liabilities for contingent retirement obligations Asset Retirement Obligation, Accretion Expense Asset retirement obligation Asset Retirement Obligation Asset retirement obligation future outlay Estimated Future Undiscounted Cash Flows Expected To Be Paid Relating To Asset Retirement Obligations This disclosure represents the estimated future undiscounted cash flows expected to be paid relating to asset retirement obligations Condensed Income Statement [Table Text Block] Condensed Income Statement [Table Text Block] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] Quarterly Financial Information [Table Text Block] Quarterly Financial Information [Table Text Block] Consolidated Balance Sheet [Table Text Block] Consolidated Balance Sheet [Table Text Block] Consolidated Balance Sheet [Table Text Block] Condensed Balance Sheet [Table Text Block] Condensed Balance Sheet [Table Text Block] consolidated income statement [Table Text Block] consolidated income statement [Table Text Block] consolidated income statement [Table Text Block] Consolidated statement of cash flows [Table Text Block] Consolidated statement of cash flows [Table Text Block] Consolidated statement of cash flows [Table Text Block] Condensed Cash Flow Statement [Table Text Block] Condensed Cash Flow Statement [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Deferred site rental receivables, current Deferred Rent Asset, Net, Current Total current assets Total Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Total current liabilities Deferred ground lease payable(a) Deferred Ground Lease Payable Deferred Ground Lease Payable Total liabilities Commitments and contingencies (note 10) Commitments and Contingencies Member's equity: Stockholders' Equity Attributable to Parent [Abstract] Total member's equity Total liabilities and equity Major Classes of Property and Equipment Property, Plant and Equipment [Table Text Block] SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] High Yield Bonds [Member] Bonds [Member] Total debt and other obligations Operating Segments and Concentrations of Credit Risk [Abstract] Operating Segments and Concentrations of Credit Risk [Abstract] Major Customers [Axis] Customer [Axis] Name of Major Customer [Domain] Customer [Domain] AT&T [Member] AT T [Member] AT&T T-Mobile [Member] T-Mobile [Member] T-Mobile Verizon Wireless [Member] Verizon Wireless [Member] Verizon Wireless Percentage of revenues from tenants accounting for more than 10% of the Company's revenues Concentration Risk, Percentage Site Count Site Count Site Count Purchase Option Price Purchase Option Price This element relates to the total future purchase option price. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Estimated Fair Values and Carrying Amounts of Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Operating Lease, Payments Operating Lease, Payments Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Including Capitalized Interest, Operating and Investing Activities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cover [Abstract] Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Interest expense on debt obligations Interest Expense, Debt Amortization of deferred financing costs Amortization of Debt Issuance Costs Total Intangible Assets and Above-market Leases Intangible Assets Disclosure [Text Block] Member Equity [Axis] Accumulated Earnings (Deficit) [Member] Retained Earnings [Member] Contribution from member-change in estimate Contribution from member-change in estimate Contribution from member-change in estimate Other contribution from parent Other contribution from parent Other contribution from parent Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, beginning Balance, ending