XML 67 R57.htm IDEA: XBRL DOCUMENT v3.23.1
Intangible Assets, Net (Gross and Net Carrying Amounts for each Major Class of Intangible Assets) (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 7,099,694 $ 7,063,235
Accumulated amortization (4,405,811) (4,286,763)
Net book value 2,693,883 2,776,472
Current Contract Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 5,197,602 5,170,187
Accumulated amortization (3,151,097) (3,060,494)
Net book value 2,046,505 2,109,693
Network Location Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 1,902,092 1,893,048
Accumulated amortization (1,254,714) (1,226,269)
Net book value $ 647,378 $ 666,779