Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Statement [Line Items] Statement [Line Items] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 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] Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Amortization of deferred financing costs Amortization of Debt Issuance Costs Asset write-down charges Asset Impairment Charges Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] 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 Decrease (increase) in receivables Increase (Decrease) in Receivables Decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Net cash provided by (used for) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Productive Assets Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Repayments of Other Long-term Debt Repayments of Other Long-term Debt Distributions to member Increase (Decrease) Due from Affiliates Net cash provided by (used for) financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Debt and Other Obligations [Abstract] Debt and Other Obligations [Abstract} Interest expense on debt obligations Interest Expense, Debt, Excluding Amortization Amortization of deferred financing costs Total Interest Expense, Debt Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Cash and cash equivalents Receivables, net Accounts Receivable, Net, Current Prepaid expenses Prepaid Expense, Current 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). Total current assets Assets, Current Deferred site rental receivables Deferred Rent Receivables, Net, Noncurrent Property and equipment, net of accumulated depreciation of $1,034,813 and $1,011,900, respectively Property, Plant and Equipment, Net Operating lease, right-of-use assets Operating Lease, Right-of-Use Asset Goodwill Goodwill Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Long-term prepaid rent and other assets, net Other Assets, Noncurrent Total assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Accounts payable Accounts Payable, Current Accrued interest Interest Payable, Current Deferred revenues Deferred Revenue, Current Other accrued liabilities Accrued Liabilities, Current Current portion of operating lease liabilities—third parties Current portion of operating lease liabilities, third party Current portion of operating lease liabilities, third party Current portion of operating lease liabilities—related parties Current portion of operating lease liabilities, related party Current portion of operating lease liabilities, related party Total current liabilities Liabilities, Current Debt Long-term Debt and Capital Lease Obligations Operating lease liabilities—third parties Operating lease liabilities, third party Operating lease liabilities, third party Operating lease liabilities—related parties Operating lease liabilities, related party Operating lease liabilities, related party Deferred ground lease payable Deferred Ground Lease Payable Deferred Ground Lease Payable Above market leases and other liabilities Above Market Leases and Other Liabilities Above market leases for land interests under the Company's towers and the aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Total liabilities Liabilities Member's equity: Stockholders' Equity Attributable to Parent [Abstract] Member's equity Members' Capital Accumulated earnings (deficit) Retained Earnings (Accumulated Deficit) Total member's equity Members' Equity Total liabilities and equity Liabilities and Equity Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 2012 secured notes tranche B [Member] 2012 secured notes tranche B [Member] 2012 secured notes tranche B [Member] September 2016 Senior Unsecured Notes [Member] September 2016 Senior Unsecured Notes [Member] September 2016 Senior Unsecured Notes [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Total debt and other obligations Debt and Capital Lease Obligations Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Maturity Date Debt Instrument, Maturity Date Debt Instrument, Face Amount Debt Instrument, Face Amount Schedule of Extinguishment of Debt [Table] Schedule of Extinguishment of Debt [Table] Extinguishment of Debt [Line Items] Extinguishment of Debt [Line Items] Debt and Other Obligations Debt and Capital Leases Disclosures [Text Block] Document and Entity Information Document and Entity Information [Abstract] Entities [Table] Entities [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period 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 Current Reporting Status Entity Current Reporting Status Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Accumulated Depreciation [Abstract] Accumulated Depreciation [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Leases [Abstract] Operating Lease, Weighted-Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Lessee, Operating Lease, Weighted-Average Discount Rate Lessee, Operating Lease, Discount Rate Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Lessor, Tenant Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Lessee, Operating Leases Lease, Cost [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Rent Expense [Table Text Block] Schedule of Rent Expense [Table Text Block] Accounting Policies [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures Fair Value Disclosures [Text Block] Finance Lease, Right-of-Use Asset Finance Lease, Right-of-Use Asset Accumulated Amortization Related to Finance Leases Accumulated Amortization Related to Finance Leases Accumulated Amortization Related to Finance Leases Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Right-of-Use Asset, Amortization Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments Due Operating Leases, Future Minimum Payments Due Statement of Stockholders' Equity [Abstract] Member Equity [Axis] Members' Equity Total [Domain] Members' Equity [Member] Members' Capital [Member] Members' Capital [Member] Accumulated Earnings (Deficit) [Member] Retained Earnings [Member] Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, beginning Net income (loss) Balance, ending 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 Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents, carrying value Cash and cash equivalents, fair value Cash and Cash Equivalents, Fair Value Disclosure Debt and other obligations, carrying amount 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. Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Table] Supplemental Cash Flow Information [Table] Supplemental Cash Flow Information [Table] Supplemental Cash Flow Information [Line Items] Supplemental Cash Flow Information [Line Items] Supplemental Cash Flow Information [Line Items] Cash Flow, Supplemental Disclosures [Text Block] Cash Flow, Supplemental Disclosures [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Leases [Text Block] Leases [Text Block] This disclosure represents the Company’s Lease footnote (operating and financing leases) Income Statement [Abstract] Income Statement [Abstract] Site rental revenues Operating Leases, Income Statement, Lease Revenue Operating expenses: Operating Expenses [Abstract] Site rental cost of operations—third parties 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 cost of operations—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. Site rental cost of operations—total 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. Total operating expenses Costs and Expenses Operating income (loss) Operating Income (Loss) Interest expense and amortization of deferred financing costs 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) Net income (loss) Operating Lease, Expense Operating Lease, Expense Variable Lease, Expense Variable Lease, Cost Total Lessee Operating Lease Expense Lease, Cost Lessee, Operating Lease, Liability, Maturities, Remaining During Year Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months Lessee, Operating Lease, Liability, Maturities, Due Year Two Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, Maturities, Due Year Three Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, Maturities, Due Year Four Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, Maturities, Due Year Five Lessee, Operating Lease, Liability, Payments, Due Year Five Lessee, Operating Lease, Liability, Maturities, Due Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Lessee, Operating Lease, Liability, Maturities, Due Lessee, Operating Lease, Liability, Payments, Due Imputed Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating Lease, Liability Operating Lease, Liability Organization, Consolidation and Presentation of Financial Statements [Abstract] General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Lessor Tenant Leases Property Subject to or Available for Operating Lease, by Major Property Class [Table] Lessor Tenant Leases Property Subject to or Available for Operating Lease [Line Items] Maximum Current Term Maximum Current Term Maximum current term of tenant contracts, excluding the exercise of tenant renewal options. Tenant Leases Year 1 Operating Leases, Future Minimum Payments Receivable, Current Tenant Leases Year 2 Operating Leases, Future Minimum Payments Receivable, in Two Years Tenant Leases Year 3 Operating Leases, Future Minimum Payments Receivable, in Three Years Tenant Leases Year 4 Operating Leases, Future Minimum Payments Receivable, in Four Years Tenant Leases Year 5 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 Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Contractual Terms [Table] Contractual Terms [Table] Contractual Terms [Table] 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] Contractual Terms [Line Items] Contractual Terms [Line Items] [Line Items] for Contractual Terms [Table] 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. Supplemental Cash Flow Information Related to Leases [Abstract] Supplemental Cash Flow Information Related to Leases [Abstract] Cash payments related to operating lease liabilities Operating Lease, Payments Interest Paid Interest Paid, Including Capitalized Interest, Operating and Investing Activities New ROU assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Retirement of Long Term Obligations [Abstract] Retirement of Long Term Obligations [Abstract] Extinguishment of Debt [Axis] Extinguishment of Debt [Axis] Extinguishment of Debt, Type [Domain] Extinguishment of Debt, Type [Domain] Supplemental Cash Flow Elements [Abstract] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Estimated Fair Values and Carrying Amounts of Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Ground Lease Agreement Initial Term Ground Lease Agreement Term This disclosure represents the term of the Company’s ground lease agreements Deferred Finance Costs, Net Debt Issuance Costs, Net Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Net Equity contribution (distribution) from parent [Member] Net Equity contribution from parent [Member] Net Equity contribution from parent Affiliated Entity [Member] Affiliated Entity [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Management Fee, Percent Fee Property Management Fee, Percent 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 Guarantees [Abstract] Guarantor Subsidiaries Guarantees [Text Block] 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. Schedule of Extinguishment of Debt [Table Text Block] Schedule of Extinguishment of Debt [Table Text Block] Components of Interest Expense and Amortization of Deferred Financing Costs Schedule Of Interest Expense And Amortization Of Deferred Financing Costs [Text Block] Schedule of interest expense and amortization of deferred financing costs.