Net Income (Loss) Attributable to ORBCOMM Inc. Common Stockholders - Summary of Basic and Diluted Calculations of EPS (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Earnings Per Share [Abstract] | |||||||||||
| Net (loss) income attributable to ORBCOMM Inc. common stockholders | $ (13,287) | $ (4,721) | $ 4,540 | ||||||||
| Weighted average common shares outstanding: | |||||||||||
| Basic | 70,546 | 70,460 | 70,427 | 70,238 | 62,984 | 55,247 | 55,199 | 53,213 | 70,419 | 56,684 | 47,420 |
| Dilutive effect of grants of stock options, unvested SAR’s and RSU’s and shares of Series A convertible preferred stock | 1,350 | ||||||||||
| Diluted number of common shares outstanding | 72,209 | 71,918 | 70,427 | 70,238 | 62,984 | 55,247 | 56,780 | 53,213 | 70,419 | 56,684 | 48,770 |
| Earnings per share: | |||||||||||
| Basic | $ (0.19) | $ (0.08) | $ 0.10 | ||||||||
| Diluted | $ (0.19) | $ (0.08) | $ 0.09 | ||||||||