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Operating Segments and Concentrations of Credit Risk Operating Segment Results (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Tower Count |  | 40,000 |  |  |  |  |
Fiber Miles |  | 80,000 |  |  |  |  |
Net Revenues |  | $ 6,340,000 |  | $ 5,840,000 |  | $ 5,763,000 |
Segment services and other cost of operations | [1] | 439,000 |  | 448,000 |  | 524,000 |
Selling, general and administrative |  | 680,000 |  | 678,000 |  | 614,000 |
Other Operating (Income) Expense |  | 0 |  | (362,000) |  | 0 |
Assets |  | 39,040,000 |  | 38,768,000 |  |  |
Goodwill |  | 10,078,000 |  | 10,078,000 |  |  |
Amortization of prepaid lease purchase price adjustments |  | 18,000 |  | 18,000 |  | 20,000 |
Stock-based compensation expense |  | 129,000 |  | 138,000 |  | 117,000 |
Site rental revenues |  | 5,719,000 |  | 5,320,000 |  | 5,093,000 |
Services and other |  | 621,000 |  | 520,000 |  | 670,000 |
Site rental | [1] | 1,554,000 |  | 1,521,000 |  | 1,462,000 |
Depreciation, amortization and accretion |  | 1,644,000 |  | 1,608,000 |  | 1,572,000 |
Interest expense and amortization of deferred financing costs |  | 657,000 |  | 689,000 |  | 683,000 |
Income (Loss) Attributable to Parent, before Tax, Total |  | 1,179,000 |  | 1,076,000 |  | 881,000 |
Capital expenditures |  | 1,229,000 |  | 1,624,000 |  | 2,057,000 |
Site rental revenues |  | 5,719,000 |  | 5,320,000 |  | 5,093,000 |
Services and other |  | 621,000 |  | 520,000 |  | 670,000 |
Site rental | [1] | 1,554,000 |  | 1,521,000 |  | 1,462,000 |
Stock-based compensation expense |  | 129,000 |  | 138,000 |  | 117,000 |
Depreciation, amortization and accretion |  | 1,644,000 |  | 1,608,000 |  | 1,572,000 |
Interest expense and amortization of deferred financing costs |  | 657,000 |  | 689,000 |  | 683,000 |
Income (Loss) Attributable to Parent, before Tax, Total |  | 1,179,000 |  | 1,076,000 |  | 881,000 |
Capital expenditures |  | 1,229,000 |  | 1,624,000 |  | 2,057,000 |
Segments [Domain] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net Revenues |  | 6,340,000 |  | 5,840,000 |  | 5,763,000 |
Segment Services and Other Cost of Operations |  | 431,000 |  | 441,000 |  | 517,000 |
Segment cost of operations | [2] | 1,953,000 | [3] | 1,927,000 | [4] | 1,940,000 | [5]
Segment site rental gross margin |  | 4,197,000 |  | 3,834,000 |  | 3,670,000 |
Segment services and other gross margin |  | 190,000 |  | 79,000 |  | 153,000 |
Selling, general and administrative |  | 290,000 | [3] | 283,000 | [4] | 233,000 | [5]
Segment General and Administrative Expenses |  | 281,000 | [3] | 286,000 | [4] | 291,000 | [5]
Other Operating (Income) Expense | [6] |  |  | (362,000) |  |  |
Segment Operating Profit |  | 4,106,000 |  | 3,989,000 |  | 3,532,000 |
Assets |  | 39,040,000 |  | 38,768,000 |  | 38,457,000 |
Goodwill |  | 10,078,000 |  | 10,078,000 |  | 10,078,000 |
Stock-based compensation expense |  | 131,000 |  | 133,000 |  | 116,000 |
Site rental revenues |  | 5,719,000 |  | 5,320,000 |  | 5,093,000 |
Services and other |  | 621,000 |  | 520,000 |  | 670,000 |
Segment Site Rental Cost of Operations |  | 1,522,000 |  | 1,486,000 |  | 1,423,000 |
Depreciation, amortization and accretion |  | 1,644,000 |  | 1,608,000 |  | 1,572,000 |
Interest expense and amortization of deferred financing costs |  | 657,000 |  | 689,000 |  | 683,000 |
Other Expenses | [7] | 205,000 |  | 200,000 |  | 47,000 |
Income (Loss) Attributable to Parent, before Tax, Total |  | 1,179,000 |  | 1,076,000 |  | 881,000 |
Capital expenditures |  | 1,229,000 |  | 1,624,000 |  | 2,057,000 |
Site rental revenues |  | 5,719,000 |  | 5,320,000 |  | 5,093,000 |
Services and other |  | 621,000 |  | 520,000 |  | 670,000 |
Stock-based compensation expense |  | 131,000 |  | 133,000 |  | 116,000 |
Depreciation, amortization and accretion |  | 1,644,000 |  | 1,608,000 |  | 1,572,000 |
Interest expense and amortization of deferred financing costs |  | 657,000 |  | 689,000 |  | 683,000 |
Other Expenses | [7] | 205,000 |  | 200,000 |  | 47,000 |
Segment Site Rental Cost of Operations |  | 1,522,000 |  | 1,486,000 |  | 1,423,000 |
Income (Loss) Attributable to Parent, before Tax, Total |  | 1,179,000 |  | 1,076,000 |  | 881,000 |
Capital expenditures |  | 1,229,000 |  | 1,624,000 |  | 2,057,000 |
Towers [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net Revenues |  | 4,405,000 |  | 3,997,000 |  | 4,042,000 |
Segment services and other cost of operations |  | 414,000 |  | 429,000 |  | 506,000 |
Segment cost of operations | [2] | 1,303,000 | [3] | 1,295,000 | [4] | 1,370,000 | [5]
Segment site rental gross margin |  | 2,915,000 |  | 2,631,000 |  | 2,525,000 |
Segment services and other gross margin |  | 187,000 |  | 71,000 |  | 147,000 |
Selling, general and administrative |  | 107,000 | [3] | 100,000 | [4] | 96,000 | [5]
Other Operating (Income) Expense | [6] |  |  | 0 |  |  |
Segment Operating Profit |  | 2,995,000 |  | 2,602,000 |  | 2,576,000 |
Assets |  | 22,318,000 |  | 22,242,000 |  | 22,357,000 |
Goodwill |  | 5,127,000 |  | 5,127,000 |  | 5,127,000 |
Site rental revenues |  | 3,804,000 |  | 3,497,000 |  | 3,389,000 |
Services and other |  | 601,000 |  | 500,000 |  | 653,000 |
Site rental |  | 889,000 |  | 866,000 |  | 864,000 |
Capital expenditures |  | 221,000 |  | 335,000 |  | 543,000 |
Site rental revenues |  | 3,804,000 |  | 3,497,000 |  | 3,389,000 |
Services and other |  | 601,000 |  | 500,000 |  | 653,000 |
Site rental |  | 889,000 |  | 866,000 |  | 864,000 |
Capital expenditures |  | 221,000 |  | 335,000 |  | 543,000 |
Fiber [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net Revenues |  | 1,935,000 |  | 1,843,000 |  | 1,721,000 |
Segment services and other cost of operations |  | 17,000 |  | 12,000 |  | 11,000 |
Segment cost of operations | [2] | 650,000 | [3] | 632,000 | [4] | 570,000 | [5]
Segment site rental gross margin |  | 1,282,000 |  | 1,203,000 |  | 1,145,000 |
Segment services and other gross margin |  | 3,000 |  | 8,000 |  | 6,000 |
Selling, general and administrative |  | 174,000 | [3] | 186,000 | [4] | 195,000 | [5]
Other Operating (Income) Expense | [6] |  |  | (362,000) |  |  |
Segment Operating Profit |  | 1,111,000 |  | 1,387,000 |  | 956,000 |
Assets |  | 15,876,000 |  | 15,746,000 |  | 15,389,000 |
Goodwill |  | 4,951,000 |  | 4,951,000 |  | 4,951,000 |
Site rental revenues |  | 1,915,000 |  | 1,823,000 |  | 1,704,000 |
Services and other |  | 20,000 |  | 20,000 |  | 17,000 |
Site rental |  | 633,000 |  | 620,000 |  | 559,000 |
Capital expenditures |  | 956,000 |  | 1,232,000 |  | 1,473,000 |
Site rental revenues |  | 1,915,000 |  | 1,823,000 |  | 1,704,000 |
Services and other |  | 20,000 |  | 20,000 |  | 17,000 |
Site rental |  | 633,000 |  | 620,000 |  | 559,000 |
Capital expenditures |  | 956,000 |  | 1,232,000 |  | 1,473,000 |
Corporate and Other [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Selling, general and administrative |  | 290,000 | [3] | 283,000 | [4] | 233,000 | [5]
Assets |  | 846,000 |  | 780,000 |  | 711,000 |
Goodwill |  | 0 |  | 0 |  | 0 |
Stock-based compensation expense |  | 131,000 |  | 133,000 |  | 116,000 |
Depreciation, amortization and accretion |  | 1,644,000 |  | 1,608,000 |  | 1,572,000 |
Interest expense and amortization of deferred financing costs |  | 657,000 |  | 689,000 |  | 683,000 |
Other Expenses | [7] | 205,000 |  | 200,000 |  | 47,000 |
Capital expenditures |  | 52,000 |  | 57,000 |  | 41,000 |
Stock-based compensation expense |  | 131,000 |  | 133,000 |  | 116,000 |
Depreciation, amortization and accretion |  | 1,644,000 |  | 1,608,000 |  | 1,572,000 |
Interest expense and amortization of deferred financing costs |  | 657,000 |  | 689,000 |  | 683,000 |
Other Expenses | [7] | 205,000 |  | 200,000 |  | 47,000 |
Capital expenditures |  | 52,000 |  | 57,000 |  | 41,000 |
Segment cost of operations share-based compensation [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense |  | 22,000 |  | 24,000 |  | 26,000 |
Stock-based compensation expense |  | 22,000 |  | $ 24,000 |  | $ 26,000 |
Segment G&A share-based compensation [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense |  | 109,000 |  |  |  |  |
Stock-based compensation expense |  | $ 109,000 |  |  |  |  |
[1] | Exclusive of depreciation, amortization and accretion shown separately.
[2] | Exclusive of depreciation, amortization and accretion shown separately.
[3] | Segment costs of operations for the year ended December 31, 2021 excludes (1) stock-based compensation expense of $22 million and (2) prepaid lease purchase price adjustments of $18 million. For the year ended December 31, 2021, segment selling, general and administrative expenses exclude stock-based compensation expense of $109 million.
[4] | Segment costs of operations for the year ended December 31, 2020 excludes (1) stock-based compensation expense of $24 million and (2) prepaid lease purchase price adjustments of $18 million. For the year ended December 31, 2020, segment selling, general and administrative expenses exclude stock-based compensation expense of $109 million.
[5] | Segment costs of operations for the year ended December 31, 2019 excludes (1) stock-based compensation expense of $26 million and (2) prepaid lease purchase price adjustments of $20 million. For the year ended December 31, 2019, segment selling, general and administrative expenses exclude stock-based compensation expense of $90 million.
[6] | See note 15 for further information.
[7] | See consolidated statement of operations for further information.

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