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Stockholders' Equity - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2016
USD ($)
Vote / shares
shares
Feb. 08, 2012
USD ($)
Stockholders Equity Note [Abstract]    
Authorized amount to repurchase   $ 50.0
Stock repurchase remaining authorized amount $ 19.2  
Repurchases unsettled, Shares | shares 0  
Equity instrument voting rights per share | Vote / shares 1