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Earnings Per Share - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Adjustments between net income/(loss) and net loss attributable to common stockholders $ 0 $ 0 $ 0 $ 0
Service Period Stock Options        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from diluted earnings per share calculation 450,189