Intangible Assets, Net (Tables)	12 Months Ended
	Dec. 31, 2021
Intangible Assets, Net [Abstract]
Gross and Net Carrying Amounts for each Major Class of Intangible Assets	As of December 31, 2021 As of December 31, 2020 Gross carrying Accumulated Net book Gross carrying Accumulated Net book amount amortization value amount amortization value (in thousands)Current contract intangibles $ 4,890,427 $ (2,749,594) $ 2,140,833 $ 4,876,880 $ (2,471,438) $ 2,405,442Network location intangibles 1,783,640 (1,121,226) 662,414 1,770,944 (1,020,236) 750,708Intangible assets, net $ 6,674,067 $ (3,870,820) $ 2,803,247 $ 6,647,824 $ (3,491,674) $ 3,156,150
Estimated Future Amortization Expense	For the year ended December 31, (in thousands) 2022 $ 389,6632023 366,1312024 337,0602025 327,3522026 312,279