v3.26.1
Intangible Assets, Net (Gross and Net Carrying Amounts for each Major Class of Intangible Assets) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 7,735,116 $ 7,687,344
Accumulated amortization (4,855,076) (4,805,227)
Net book value 2,880,040 2,882,117
Current Contract Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 5,734,340 5,695,073
Accumulated amortization (3,477,694) (3,438,168)
Net book value 2,256,646 2,256,905
Network Location Intangibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 2,000,776 1,992,271
Accumulated amortization (1,377,382) (1,367,059)
Net book value $ 623,394 $ 625,212