Net Income (Loss) Attributable to ORBCOMM Inc. Common Stockholders - Summary of Net Loss Attributable to ORBCOMM Inc. Common Stockholders (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net loss attributable to ORBCOMM Inc.	$ (5,490)	$ (10,086)
Net loss attributable to ORBCOMM Inc. common stockholders	$ (5,490)	$ (10,086)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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