Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (25,939)	$ (61,195)	$ (23,226)
Other comprehensive (loss) income — Foreign currency translation adjustments	(649)	1,342	84
Other comprehensive (loss) income	(649)	1,342	84
Comprehensive loss	(26,588)	(59,853)	(23,142)
Less comprehensive income attributable to noncontrolling interests	(293)	(86)	(284)
Comprehensive loss attributable to ORBCOMM Inc.	$ (26,881)	$ (59,939)	$ (23,426)