Affiliated Entity [Member] Affiliated Entity [Member] Document Type Document Type Equity Component [Domain] Members' Equity Total [Domain] Equity Component [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Other income (expense) Other Nonoperating Income (Expense) Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Related Party [Axis] Related Party [Axis] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Amortization Of Deferred Financing Costs Amortization Of Deferred Financing Costs The components of interest expense representing the non-cash expenses against earnings in the period including amortization of deferred financing costs Property and equipment, net of accumulated depreciation of $1,236,903 and $1,190,055, respectively Property, Plant and Equipment, Net Increase (Decrease) in accounts payable for purchases of property and equipment Increase (Decrease) in accounts payable for purchases of property and equipment Increase (Decrease) in accounts payable for purchases of property and equipment Total operating expenses Costs and Expenses Entity Tax Identification Number Entity Tax Identification Number Equity Components [Axis] Member Equity [Axis] Equity Components [Axis] Document and Entity Information Document and Entity Information Document and Entity Information [Abstract] Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Other assets Other Assets, Noncurrent Operating lease liabilities—third parties Operating lease liabilities, third party Operating lease liabilities, third party Cash and Cash Equivalents, Fair Value Disclosure Cash and Cash Equivalents, Fair Value Disclosure Total assets Assets Related Party Transactions Related Party Transactions Disclosure [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Scenario [Axis] Scenario [Axis] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Operating expenses: Operating Expenses [Abstract] Amortization of tower installations and modifications Amortization of tower installations and modifications Amortization of tower installations and modifications Interest expense and amortization of deferred financing costs Total Interest Expense, Debt Entity Interactive Data Current Entity Interactive Data Current Fair Value Disclosures Fair Value Disclosures [Text Block] Cash flows from operating activities:(a) Net Cash Provided by (Used in) Operating Activities [Abstract] Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Operating lease liabilities—related parties Operating lease liabilities, related party Operating lease liabilities, related party Operating income (loss) Operating Income (Loss) Deferred revenues Deferred Revenue, Current Members' Equity [Member] Members' Capital [Member] Members' Capital [Member] Member's equity: Stockholders' Equity Attributable to Parent [Abstract] Total current liabilities Liabilities, Current Management Fee, Percent Fee Property Management Fee, Percent Fee Depreciation, amortization and accretion Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Increase (decrease) in other liabilities Increase (Decrease) in Other Operating Liabilities Asset write-down charges Asset write-down charges Asset Impairment Charges 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. Current portion of operating lease liabilities—third parties Current portion of operating lease liabilities, third party Current portion of operating lease liabilities, third party Total liabilities Liabilities ASSETS Assets [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Contractual Terms [Domain] Contractual Terms [Domain] [Domain] for Contractual Terms [Axis] Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] Accumulated Depreciation [Abstract] Accumulated Depreciation [Abstract] Accumulated Depreciation [Abstract] Entity Address, State or Province Entity Address, State or Province Cash payments related to operating lease liabilities Operating Lease, Payments Accounts payable Accounts Payable, Current Entity Filer Category Entity Filer Category Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Accumulated earnings (deficit) Retained Earnings (Accumulated Deficit) Contractual Terms [Table] Contractual Terms [Table] Contractual Terms [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Distributions to member Increase (Decrease) Due from Affiliates Operating lease, right-of-use assets Operating Lease, Right-of-Use Asset Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Debt and Other Obligations Debt and Capital Leases Disclosures [Text Block] Receivables, net Accounts Receivable, after Allowance for Credit Loss, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Purchase option price Purchase Option, Sprint Sites Represents the Company's purchase option for Sprint sites. Inclusive of towers and other structures, such as rooftops. Site rental cost 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. Deferred site rental receivables and other current assets Deferred Site Rental Receivables and Other Current Assets For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, one year or less after the balance sheet date. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee. Also includes the aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). Debt Long-term Debt and Lease Obligation Entity Address, Postal Zip Code Entity Address, Postal Zip Code Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Goodwill Goodwill Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Document Transition Report Document Transition Report 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] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Other Liabilities, Noncurrent Other Liabilities, Noncurrent Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Ground rent expenses—related parties 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. Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Document Quarterly Report Document Quarterly Report Decrease (increase) in receivables Increase (Decrease) in Receivables Revenues from tenant contracts Revenues from tenant contracts Revenues from tenant contracts Entity Addresses, Address Type [Axis] Entity Addresses, Address Type [Axis] Interest Paid Interest Paid, Excluding Capitalized Interest, Operating Activities 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. Statement [Line Items] Statement [Line Items] New ROU assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total site rental revenues Revenues Benefit (provision) for income taxes Income Tax Expense (Benefit) Entity File Number Entity File Number Interest expense on debt obligations Interest Expense, Debt, Excluding Amortization Accrued interest Interest Payable, Current Debt Disclosure [Abstract] Debt Disclosure [Abstract] Income Statement [Abstract] Income Statement [Abstract] Statement [Table] Statement [Table] Debt and Other Obligations [Abstract] Debt and Other Obligations [Abstract] Debt and Other Obligations [Abstract} Other accrued liabilities Accrued Liabilities, Current 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] Local Phone Number Local Phone Number Net cash provided by (used for) financing activities Net Cash Provided by (Used in) Financing Activities Site count as a percentage of total sites Tower Count Percentage Represents the Company's tower count as a percentage of total towers. Inclusive of towers and other structures, such as rooftops. Debt And Capital Lease Obligations Fair Value Disclosures 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 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 Address Type [Domain] Address Type [Domain] Member's equity Members' Capital Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Document Fiscal Year Focus Document Fiscal Year Focus Entity Small Business Entity Small Business Decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Entity Emerging Growth Company Entity Emerging Growth Company Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Site rental cost of operations—total(b) Direct Costs of Leased and Rented Property or Equipment Increase (decrease) in accounts payable Increase (Decrease) in Accounts Payable, Trade Entity Current Reporting Status Entity Current Reporting Status Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Prepaid expenses Prepaid Expense, Current 2012 secured notes tranche B [Member] 2012 secured notes tranche B [Member] 2012 secured notes tranche B [Member] Scenario [Domain] Scenario [Domain] Amendment Flag Amendment Flag City Area Code City Area Code Amortization of deferred financing costs Amortization of Debt Issuance Costs Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Document Period End Date Document Period End Date Accumulated Earnings (Deficit) [Member] Retained Earnings [Member] Former Address Former Address [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and cash equivalents, carrying value Cash and Cash Equivalents, at Carrying Value Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Current portion of operating lease liabilities—related parties Current portion of operating lease liabilities, related party Current portion of operating lease liabilities, related party Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Net cash provided by (used for) operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Related Party [Domain] Related Party [Domain] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Total member's equity Balance, beginning Balance, ending Members' Equity Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Estimated Fair Values and Carrying Amounts of Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Capital expenditures(b) Payments to Acquire Productive Assets Contractual Terms [Line Items] Contractual Terms [Line Items] [Line Items] for Contractual Terms [Table] Increase (decrease) in accrued interest Increase (Decrease) in Interest Payable, Net Total liabilities and equity Liabilities and Equity Cash Flow, Supplemental Disclosures [Text Block] Cash Flow, Supplemental Disclosures [Text Block] Income Taxes Income Tax Disclosure [Text Block] Contractual Terms [Axis] Contractual Terms [Axis] Contractual Terms [Axis] Entity Address, City or Town Entity Address, City or Town Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Entity Shell Company Entity Shell Company Deferred site rental receivables Deferred Rent Receivables, Net, Noncurrent Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]