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Operating Segments Operating Segments Table (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Tower Count |  | 40,000 |  |  |  | 40,000 |  |  |  |
Segment site rental revenues |  | $ 804,600 |  | $ 737,091 |  | $ 1,603,893 |  | $ 1,468,471 |  |
Segment network services and other revenues |  | $ 157,809 |  | 162,346 |  | $ 292,899 |  | 331,437 |  |
Fiber Miles |  | 17,000 |  |  |  | 17,000 |  |  |  |
Segment revenues |  | $ 962,409 |  | 899,437 |  | $ 1,896,792 |  | 1,799,908 |  |
Segment site rental cost of operations | [1] | 252,852 |  | 237,031 |  | 505,472 |  | 469,244 |  |
Segment network services and other cost of operations | [1] | 95,867 |  | 89,400 |  | 176,838 |  | 176,318 |  |
Segment general and administrative expenses |  | 91,386 |  | 73,125 |  | 188,967 |  | 147,181 |  |
Stock-based compensation expense |  |  |  |  |  | 40,135 |  | 30,131 |  |
Depreciation, Amortization and Accretion, Net |  | 276,026 |  | 253,153 |  | 553,901 |  | 504,959 |  |
Interest expense and amortization of deferred financing costs |  | 129,362 |  | 134,466 |  | 255,740 |  | 268,905 |  |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  | 89,942 |  | 162,382 |  | 141,654 |  | 272,681 |  |
Capital expenditures |  |  |  |  |  | 392,997 |  | 420,883 |  |
Total Assets |  | 22,153,074 |  |  |  | 22,153,074 |  |  |  | $ 21,936,966
Amortization of prepaid lease purchase price adjustments |  | 5,400 |  | 5,100 |  | 10,600 |  | 10,200 |  |
Segment cost of operations share-based compensation [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  | 4,400 |  | 3,400 |  | 12,700 |  | 6,600 |  |
Towers [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Segment site rental revenues |  | 705,716 |  | 678,306 |  | 1,408,555 |  | 1,353,213 |  |
Segment network services and other revenues |  | 142,053 |  | 150,732 |  | 267,063 |  | 307,117 |  |
Segment revenues |  | 847,769 |  | 829,038 |  | 1,675,618 |  | 1,660,330 |  |
Segment site rental cost of operations |  | 210,444 |  | 207,037 |  | 415,009 |  | 411,670 |  |
Segment network services and other cost of operations |  | 81,922 |  | 77,671 |  | 151,911 |  | 153,862 |  |
Segment cost of operations |  | 292,366 | [2] | 284,708 | [2] | 566,920 | [3] | 565,532 | [3] |
Segment site rental gross margin |  | 495,272 |  | 471,269 |  | 993,546 |  | 941,543 |  |
Segment network services gross margin |  | 60,131 |  | 73,061 |  | 115,152 |  | 153,255 |  |
Segment general and administrative expenses |  | 22,505 | [2] | 22,529 | [2] | 46,104 | [3] | 45,251 | [3] |
Segment Operating Profit |  | 532,898 |  | 521,801 |  | 1,062,594 |  | 1,049,547 |  |
Capital expenditures |  | 104,180 |  | 157,938 |  | 215,221 |  | 291,071 |  |
Total Assets |  | 18,479,117 |  | 17,982,322 |  | 18,479,117 |  | 17,982,322 |  |
Small Cells [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Segment site rental revenues |  | 98,884 |  | 58,785 |  | 195,338 |  | 115,258 |  |
Segment network services and other revenues |  | 15,756 |  | 11,614 |  | 25,836 |  | 24,320 |  |
Segment revenues |  | 114,640 |  | 70,399 |  | 221,174 |  | 139,578 |  |
Segment site rental cost of operations |  | 34,165 |  | 22,856 |  | 71,648 |  | 43,369 |  |
Segment network services and other cost of operations |  | 12,423 |  | 10,367 |  | 20,458 |  | 19,821 |  |
Segment cost of operations |  | 46,588 | [2] | 33,223 | [2] | 92,106 | [3] | 63,190 | [3] |
Segment site rental gross margin |  | 64,719 |  | 35,929 |  | 123,690 |  | 71,889 |  |
Segment network services gross margin |  | 3,333 |  | 1,247 |  | 5,378 |  | 4,499 |  |
Segment general and administrative expenses |  | 15,718 | [2] | 7,910 | [2] | 31,240 | [3] | 15,470 | [3] |
Segment Operating Profit |  | 52,334 |  | 29,266 |  | 97,828 |  | 60,918 |  |
Capital expenditures |  | 87,450 |  | 55,289 |  | 167,603 |  | 118,192 |  |
Total Assets |  | 3,199,577 |  | 2,302,664 |  | 3,199,577 |  | 2,302,664 |  |
Consolidated Total [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Segment site rental revenues |  | 804,600 |  | 737,091 |  | 1,603,893 |  | 1,468,471 |  |
Segment network services and other revenues |  | 157,809 |  | 162,346 |  | 292,899 |  | 331,437 |  |
Segment revenues |  | 962,409 |  | 899,437 |  | 1,896,792 |  | 1,799,908 |  |
Segment site rental cost of operations |  | 244,609 |  | 229,893 |  | 486,657 |  | 455,039 |  |
Segment network services and other cost of operations |  | 94,345 |  | 88,038 |  | 172,369 |  | 173,683 |  |
Segment cost of operations |  | 338,954 | [2] | 317,931 | [2] | 659,026 | [3] | 628,722 | [3] |
Segment site rental gross margin |  | 559,991 |  | 507,198 |  | 1,117,236 |  | 1,013,432 |  |
Segment network services gross margin |  | 63,464 |  | 74,308 |  | 120,530 |  | 157,754 |  |
Segment general and administrative expenses |  | 73,786 | [2] | 60,580 | [2] | 148,979 | [3] | 120,961 | [3] |
Segment Operating Profit |  | 549,669 |  | 520,926 |  | 1,088,787 |  | 1,050,225 |  |
Stock-based compensation expense |  | 21,998 |  | 15,975 |  | 52,703 |  | 32,816 |  |
Depreciation, Amortization and Accretion, Net |  | 276,026 |  | 253,153 |  | 553,901 |  | 504,959 |  |
Interest expense and amortization of deferred financing costs |  | 129,362 |  | 134,466 |  | 255,740 |  | 268,905 |  |
Other expenses to reconcile to income (loss) from continuing operations before income taxes |  | 32,341 |  | (45,050) |  | 84,789 |  | (29,136) |  |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  | 89,942 |  | 162,382 |  | 141,654 |  | 272,681 |  |
Capital expenditures |  | 199,508 |  | 219,230 |  | 392,997 |  | 420,883 |  |
Total Assets |  | 22,153,074 |  | 20,903,572 |  | 22,153,074 |  | 20,903,572 |  |
Other [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Segment general and administrative expenses |  | 35,563 | [2] | 30,141 | [2] | 71,635 | [3] | 60,240 | [3] |
Segment Operating Profit |  | (35,563) |  | (30,141) |  | (71,635) |  | (60,240) |  |
Stock-based compensation expense |  | 21,998 |  | 15,975 |  | 52,703 |  | 32,816 |  |
Depreciation, Amortization and Accretion, Net |  | 276,026 |  | 253,153 |  | 553,901 |  | 504,959 |  |
Interest expense and amortization of deferred financing costs |  | 129,362 |  | 134,466 |  | 255,740 |  | 268,905 |  |
Other expenses to reconcile to income (loss) from continuing operations before income taxes |  | 32,341 |  | (45,050) |  | 84,789 |  | (29,136) |  |
Capital expenditures |  | 7,878 |  | 6,003 |  | 10,173 |  | 11,620 |  |
Total Assets |  | 474,380 |  | 618,586 |  | 474,380 |  | 618,586 |  |
Segment G&A share-based compensation [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  | $ 17,600 |  | $ 12,500 |  | $ 40,000 |  | $ 26,200 |  |
[1] | Exclusive of depreciation, amortization and accretion shown separately.
[2] | Segment cost of operations exclude (1) stock-based compensation expense of $4.4 million and $3.4 million for the three months ended June 30, 2016 and 2015, respectively, and (2) prepaid lease purchase price adjustments of $5.4 million and $5.1 million for the three months ended March 31, 2016 and 2015, respectively. Segment general and administrative expenses exclude stock-based compensation expense of $17.6 million and $12.5 million for the three months ended June 30, 2016 and 2015, respectively.
[3] | Segment cost of operations exclude (1) stock-based compensation expense of $12.7 million and $6.6 million for the six months ended June 30, 2016 and 2015, respectively, and (2) prepaid lease purchase price adjustments of $10.6 million and $10.2 million for the six months ended June 30, 2016 and 2015, respectively. Segment general and administrative expenses exclude stock-based compensation expense of $40.0 million and $26.2 million for the six months ended June 30, 2016 and 2015, respectively.

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- Definition Segment Operating Profit is defined as segment site rental gross margin plus segment network services and other gross margin, less general and administrative expenses attributable to the respective segment. + References No definition available. + Details
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- Definition Segment site rental gross margin is defined as segment site rental revenues less segment site rental cost of operations, which excludes stock-based compensation expense and prepaid lease purchase price adjustments recorded in consolidated cost of operations. + References No definition available. + Details
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