Property and Equipment and Intangible Assets - Regulatory authorizations with finite lives (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Indefinite-lived intangible assets
Finite Lived Assets	$ 1,224,260	$ 1,224,358
Accumulated Amortization	(1,149,321)	(1,051,466)
Amortization expense	98,000	183,000	$ 156,000
Intangible Assets With Regulatory Authorizations
Indefinite-lived intangible assets
Finite Lived Assets	53,160	58,061
Accumulated Amortization	$ (40,615)	(38,490)
Useful life	13 years
Amortization expense	$ 5,000	5,000	4,000
Foreign currency translation adjustment	$ 2,000	$ 1,000	$ 2,000