v3.8.0.1
Earnings Per Share - Additional Information (Details)
12 Months Ended
Jan. 18, 2017
Dec. 31, 2016
shares
Dec. 31, 2015
shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Stock split, conversion ratio 2.00    
Stock Options      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from computation of earnings per share   6,588 85,036