v3.26.1
Intangible Assets, Net (Gross and Net Carrying Amounts for each Major Class of Intangible Assets) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 7,764,738 $ 7,687,344
Accumulated amortization (4,896,958) (4,805,227)
Net book value 2,867,780 2,882,117
Current Contract Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 5,758,507 5,695,073
Accumulated amortization (3,510,163) (3,438,168)
Net book value 2,248,344 2,256,905
Network Location Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 2,006,231 1,992,271
Accumulated amortization (1,386,795) (1,367,059)
Net book value $ 619,436 $ 625,212