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Capital Stock - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 03, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Apr. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock repurchase program, authorized amount         $ 10,000,000
Treasury Stock Repurchase       $ 3,229,000  
Treasury Stock Repurchase (in shares)   0 0 245,575  
Total intrinsic value of stock options exercised   $ 639,000 $ 3,103,000 $ 1,997,000  
Unrecognized stock option compensation cost   $ 3,100,000      
Weighted-average per share grant date fair value of stock options granted   $ 4.68 $ 9.73 $ 6.12  
Stock compensation expense   $ 5,286,000 $ 4,493,000 $ 2,881,000  
Stock compensation expense, stock option   2,200,000 2,500,000    
Stock compensation expense, Performance based and restricted share   800,000 300,000    
Stock compensation expense, stock awards granted   $ 2,200,000 $ 1,700,000    
Subsequent Event | Dividend Declared          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Dividend declaration date Mar. 03, 2016        
Quarterly dividend declared $ 0.0425        
Dividend payable date May 16, 2016        
Dividend declared, date of record May 02, 2016        
Preferred stock Series A          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Preferred stock, shares authorized   100 100    
Preferred stock, issued   0 0    
Preferred stock, outstanding   0 0    
Preferred stock Series B          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Preferred stock, shares authorized   2,000,000 2,000,000    
Preferred stock, issued   0 0    
Preferred stock, outstanding   0 0    
Long Term Incentive Plan 2000          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for grant   604,460      
Long Term Incentive Plan 2000 | After Amendment          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for grant   4,850,000      
Stock Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted-average recognition period   2 years      
Stock Options | Long Term Incentive Plan 2000 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options expiration period   5 years      
Stock Options | Long Term Incentive Plan 2000 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options expiration period   10 years      
Vesting period   5 years      
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted-average recognition period   2 years 7 months 6 days      
Total fair value of restricted stock vested   $ 374,000      
Restricted Stock | Long Term Incentive Plan 2000 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period   4 years      
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period   3 years      
Weighted-average recognition period   2 years      
Vesting rights percentage   150.00%      
Performance Shares | Long Term Incentive Plan 2000          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period   3 years