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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Treasury Stock
Balance (in shares) at Dec. 31, 2020   11,822        
Balance at Dec. 31, 2020 $ 157,246 $ 12 $ 7,842 $ 41 $ 154,351 $ (5,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 164,031       164,031  
Share-based compensation (in shares)   55        
Share-based compensation 9,596   9,454   142  
Options exercised by executives and directors (in shares)   29        
Options exercised by executives and directors $ 811   811      
Net shares repurchased for taxes (in shares) (22) (28)        
Net shares repurchased for taxes $ (6,089)   (6,089)      
Treasury stock from stock repurchases (55,999)         (55,999)
Treasury stock retired from stock repurchases (in shares)   (284)        
Treasury stock retired from stock repurchases 0       (60,999) 60,999
Other comprehensive income 70     70    
Cash dividends declared to stockholders (67,192)       (67,192)  
Balance (in shares) at Dec. 31, 2021   11,594        
Balance at Dec. 31, 2021 202,474 $ 12 12,018 111 190,333 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 143,568       143,568  
Share-based compensation (in shares)   20        
Share-based compensation $ 11,053   11,053      
Options exercised by executives and directors (in shares) 0          
Net shares repurchased for taxes (in shares) (9) (9)        
Net shares repurchased for taxes $ (1,516)   (1,516)      
Treasury stock from stock repurchases (126,445)         (126,445)
Treasury stock retired from stock repurchases (in shares)   (677)        
Treasury stock retired from stock repurchases (1) $ (1)     (120,047) 120,047
Other comprehensive income (87)     (87)    
Cash dividends declared to stockholders $ (74,002)       (74,002)  
Balance (in shares) at Dec. 31, 2022 10,928 10,928        
Balance at Dec. 31, 2022 $ 155,044 $ 11 21,555 24 139,852 (6,398)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 99,415       99,415  
Share-based compensation (in shares)   76        
Share-based compensation $ 8,188   8,188      
Options exercised by executives and directors (in shares) 7 7        
Options exercised by executives and directors $ 188   188      
Net shares repurchased for taxes (in shares) (31) (31)        
Net shares repurchased for taxes $ (3,358)   (3,358)      
Treasury stock from stock repurchases (3,602)         (3,602)
Treasury stock retired from stock repurchases (in shares)   (84)        
Treasury stock retired from stock repurchases 0       (10,000) 10,000
Other comprehensive income 224     224    
Cash dividends declared to stockholders $ (54,618)       (54,618)  
Balance (in shares) at Dec. 31, 2023 10,896 10,896        
Balance at Dec. 31, 2023 $ 201,481 $ 11 $ 26,573 $ 248 $ 174,649 $ 0