Revenue - Summary of Service Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 193,108	$ 174,919	$ 398,381	$ 343,138
Voice and data
Disaggregation of Revenue [Line Items]
Revenue	54,957	48,482	107,405	93,365
IoT data
Disaggregation of Revenue [Line Items]
Revenue	34,561	30,630	66,511	59,071
Commercial Broadband Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	14,028	12,097	27,476	23,611
Hosted payload and other data
Disaggregation of Revenue [Line Items]
Revenue	15,096	15,152	30,099	29,923
Services
Disaggregation of Revenue [Line Items]
Revenue	145,142	132,861	284,491	258,970
Services | Commercial
Disaggregation of Revenue [Line Items]
Revenue	118,642	106,361	231,491	205,970
Services | US Government [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,500	26,500	53,000	53,000
Engineering and support services
Disaggregation of Revenue [Line Items]
Revenue	20,590	8,299	44,838	16,665
Engineering and support services | Commercial
Disaggregation of Revenue [Line Items]
Revenue	1,737	1,386	7,423	2,497
Engineering and support services | US Government [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 18,853	$ 6,913	$ 37,415	$ 14,168