Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 36,800	$ 30,279	$ 69,572	$ 57,208
Reimbursement Revenue
Disaggregation of Revenue [Line Items]
Revenue	8,800	2,200	15,700	2,700
Service revenue:
Disaggregation of Revenue [Line Items]
Revenue	33,048	25,617	62,392	48,703
Service revenue: | United States
Disaggregation of Revenue [Line Items]
Revenue	24,875	18,228	47,163	34,671
Service revenue: | Canada
Disaggregation of Revenue [Line Items]
Revenue	4,128	4,376	7,817	8,206
Service revenue: | Europe
Disaggregation of Revenue [Line Items]
Revenue	1,671	1,857	3,154	3,568
Service revenue: | Central and South America
Disaggregation of Revenue [Line Items]
Revenue	2,248	815	3,984	1,596
Service revenue: | Others
Disaggregation of Revenue [Line Items]
Revenue	126	341	274	662
Duplex
Disaggregation of Revenue [Line Items]
Revenue	6,936	7,243	13,082	13,898
SPOT
Disaggregation of Revenue [Line Items]
Revenue	11,536	11,139	22,791	22,123
Commercial IoT
Disaggregation of Revenue [Line Items]
Revenue	5,038	4,504	9,708	8,985
Engineering and other
Disaggregation of Revenue [Line Items]
Revenue	9,538	2,731	16,811	3,697
Subscriber equipment sales:
Disaggregation of Revenue [Line Items]
Revenue	3,752	4,662	7,180	8,505
Subscriber equipment sales: | United States
Disaggregation of Revenue [Line Items]
Revenue	2,227	2,438	3,783	4,610
Subscriber equipment sales: | Canada
Disaggregation of Revenue [Line Items]
Revenue	879	1,118	1,677	1,867
Subscriber equipment sales: | Europe
Disaggregation of Revenue [Line Items]
Revenue	309	527	945	1,006
Subscriber equipment sales: | Central and South America
Disaggregation of Revenue [Line Items]
Revenue	328	571	757	992
Subscriber equipment sales: | Others
Disaggregation of Revenue [Line Items]
Revenue	9	8	18	30
Duplex
Disaggregation of Revenue [Line Items]
Revenue	143	331	273	624
SPOT
Disaggregation of Revenue [Line Items]
Revenue	1,674	2,230	3,149	4,145
Commercial IoT
Disaggregation of Revenue [Line Items]
Revenue	1,908	2,090	3,714	3,611
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 27	$ 11	$ 44	$ 125