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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Cumulative Effect, Period of Adoption, Adjustment [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Retained Earnings [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Loss [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning Balance at Dec. 31, 2018 $ 446,279   $ 797 $ 267,670 $ 883,975   $ (691,747) $ (14,416)  
Beginning Balance (ASU 2016-02 [Member]) at Dec. 31, 2018   $ 4       $ 4      
Beginning Balance (ASU 2018-02 [Member]) at Dec. 31, 2018           $ (385)     $ 385
Beginning Balance, Shares at Dec. 31, 2018     79,652            
Net income (loss) (52,982)       (52,982)        
Other comprehensive income (loss), net of tax (2,386)             (2,386)  
Dividend payments ($0.09 per share) (17,212)       17,212        
Dividends accrued on unvested restricted stock units (10)       (10)        
Stock options exercised 526       (208)   734    
PSUs, RSUs and restricted stock vested (571)       6,480   (5,909)    
Purchase of treasury stock (184)           184    
Stock-based compensation expense 6,962     6,962          
Ending Balance at Dec. 31, 2019 380,426   $ 797 274,632 806,702   (685,288) (16,417)  
Ending Balance (ASU 2018-02 [Member]) at Dec. 31, 2019 385                
Ending Balance, Shares at Dec. 31, 2019     79,652            
Net income (loss) 2,378       2,378        
Other comprehensive income (loss), net of tax 4,778             4,778  
Dividend payments ($0.09 per share) (17,334)       17,334        
Dividends accrued on unvested restricted stock units (180)       (180)        
Deferred compensation adjustments, net of tax (2,806)           2,806    
PSUs, RSUs and restricted stock vested (1,152)       9,753   (8,601)    
Stock-based compensation expense 6,834     6,834          
Ending Balance at Dec. 31, 2020 372,944   $ 797 281,466 781,813   (679,493) (11,639)  
Ending Balance (ASU 2018-02 [Member]) at Dec. 31, 2020 $ 385                
Ending Balance, Shares at Dec. 31, 2020 79,652   79,652            
Net income (loss) $ (8,635)       (8,635)        
Other comprehensive income (loss), net of tax (275)             (275)  
Dividend payments ($0.09 per share) (17,529)       17,529        
Non-cash dividend payments ($0.09 per share)         5   (5)    
Dividends accrued on unvested restricted stock units (320)       (320)        
Deferred compensation adjustments, net of tax (1,248)           1,248    
Stock options exercised 6,432       (1,842)   8,274    
PSUs, RSUs and restricted stock vested (1,747)       12,662   (10,915)    
Stock-based compensation expense 7,480     7,480          
Ending Balance at Dec. 31, 2021 357,102   $ 797 $ 288,946 $ 740,820   $ (661,547) $ (11,914)  
Ending Balance (ASU 2018-02 [Member]) at Dec. 31, 2021 $ 385                
Ending Balance, Shares at Dec. 31, 2021 79,652   79,652