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Stockholders' Equity - Additional Information (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Jun. 02, 2016
Stockholders Equity [Line Items]      
Value of shares that have been repurchased and retired during the period $ 36,918,000    
Payment for share repurchase $ 36,918,000 $ 2,903,000  
Stock Repurchase Program      
Stockholders Equity [Line Items]      
Board of Directors authorized stock repurchase program     $ 100,000,000
Number of shares that have been repurchased and retired during the period 879,585    
Average price per share $ 41.95    
Value of shares that have been repurchased and retired during the period $ 36,900,000    
Available amount under repurchase program 44,500,000    
Payment for share repurchase $ 36,900,000    
2015 Stock Repurchase Program      
Stockholders Equity [Line Items]      
Number of shares that have been repurchased and retired during the period   85,100  
Average price per share   $ 34.12  
Value of shares that have been repurchased and retired during the period   $ 2,900,000  
Stock repurchase program expiration date   May 05, 2016