Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (10,391)	$ (6,837)
Other comprehensive (loss) income - Foreign currency translation adjustments	(1,908)	63
Other comprehensive (loss) income	(1,908)	63
Comprehensive loss	(12,299)	(6,774)
Less: Comprehensive income attributable to noncontrolling interests	(127)	(95)
Comprehensive loss attributable to ORBCOMM Inc.	$ (12,426)	$ (6,869)