Net Income (Loss) Attributable to ORBCOMM Inc. Common Stockholders - Schedule of Amounts Not Included in Calculation of Diluted EPS (Detail)
shares in Thousands
12 Months Ended
Dec. 31, 2013
shares
SAR's [Member]  
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]  
Anti-dilutive securities 3,591
RSU's [Member]  
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]  
Anti-dilutive securities 333