Revenue Recognition - Summary of Revenue Disaggregated by Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	$ 222,811	$ 226,038	$ 449,130	$ 456,345
Service Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	191,272	193,965	379,004	392,577
Service Revenue by Market [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	191,272	193,965	379,004	392,577
Equipment Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	31,539	32,073	70,126	63,768
Satellite Broadband [Member] \| Service Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	84,317	76,706	164,419	154,385
Satellite Broadband [Member] \| Equipment Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	13,090	4,563	25,503	10,938
ATG Broadband [Member] \| Service Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	60,020	74,214	124,822	150,184
ATG Broadband [Member] \| Equipment Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	12,173	21,786	31,827	40,458
Narrowband And Other [Member] \| Service Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	46,935	43,045	89,763	88,008
Narrowband And Other [Member] \| Equipment Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	6,276	5,724	12,796	12,372
Business Aviation [Member] \| Service Revenue by Market [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	151,330	165,366	305,685	334,647
Military Or Government [Member] \| Service Revenue by Market [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation of revenue	$ 39,942	$ 28,599	$ 73,319	$ 57,930