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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock
Class A Common shares
Common Stock
Class B Common shares
Common Stock
Additional Paid In Capital
Retained Earnings
Class A Common shares
Retained Earnings
Class B Common shares
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Class A Common shares
Class B Common shares
Total
Balance at beginning of period at Dec. 31, 2021     $ 4,702 $ 139,956     $ 688,522 $ 1,874     $ 835,054
Balance (in shares) at Dec. 31, 2021 17,816 2,165                  
Increase (Decrease) in Stockholders' Equity                      
Net income             91,106       91,106
Net change in accumulated other comprehensive income (loss)               (33,853)     (33,853)
Dividends declared on Common Stock:                      
Dividends declared on Common Stock         $ (24,122) $ (2,679)     $ (24,122) $ (2,679)  
Stock options exercised, net of shares withheld     2 50             52
Stock options exercised, net of shares withheld (in shares) 3                    
Conversion of Class B to Class A Common Shares (in shares) 5 (5)                  
Repurchase of Class A Common Stock     (60) (1,940)     (10,577)       (12,577)
Repurchase of Class A Common Stock (in shares) (273)                    
Net change in notes receivable on Class A Common Stock       61             61
Deferred director compensation expense - Class A Common Stock       503             503
Deferred director compensation expense - Class A Common Stock (in shares) 6                    
Deferred designed key employee compensation expense - Class A Common Stock       725             725
Employee stock purchase plan - Class A Common Stock     4 690             694
Employee stock purchase plan - Class A Common Stock (in shares) 16                    
Stock-based awards, Performance stock units, net of shares tendered back       152             152
Stock-based awards, Restricted stock, net of shares tendered back       937             937
Stock-based awards, Restricted stock, net of shares tendered back (in shares) 12                    
Stock-based awards, Stock options       560             560
Balance at end of period at Dec. 31, 2022     4,648 141,694     742,250 (31,979)     856,613
Balance (in shares) at Dec. 31, 2022 17,585 2,160                  
Increase (Decrease) in Stockholders' Equity                      
Net income             90,374       90,374
Net change in accumulated other comprehensive income (loss)               11,571     11,571
Dividends declared on Common Stock:                      
Dividends declared on Common Stock         (26,002) (2,933)     (26,002) (2,933)  
Stock options exercised, net of shares withheld     1 340     (343)       (2)
Stock options exercised, net of shares withheld (in shares) 1                    
Conversion of Class B to Class A Common Shares (in shares) 5 (5)                  
Repurchase of Class A Common Stock     (100) (3,319)     (16,860)       (20,279)
Repurchase of Class A Common Stock (in shares) (456)                    
Net change in notes receivable on Class A Common Stock       49             49
Deferred director compensation expense - Class A Common Stock     2 767             769
Deferred designed key employee compensation expense - Class A Common Stock       671             671
Deferred designed key employee compensation expense - Class A Common Stock (In shares) 7                    
Employee stock purchase plan - Class A Common Stock     3 735             738
Employee stock purchase plan - Class A Common Stock (in shares) 16                    
Stock-based awards, Performance stock units, net of shares tendered back       (281)             (281)
Stock-based awards, Restricted stock, net of shares tendered back     (1) 694     1       694
Stock-based awards, Restricted stock, net of shares tendered back (in shares) 45                    
Stock-based awards, Stock options       774             774
Balance at end of period at Dec. 31, 2023     4,553 142,124     786,487 (20,408)     912,756
Balance (in shares) at Dec. 31, 2023 17,203 2,155                  
Increase (Decrease) in Stockholders' Equity                      
Net income             101,371       101,371
Net change in accumulated other comprehensive income (loss)               6,170     6,170
Dividends declared on Common Stock:                      
Dividends declared on Common Stock         $ (27,998) $ (3,182)     $ (27,998) $ (3,182)  
Stock options exercised, net of shares withheld     33 1,901     (2,572)       (638)
Stock options exercised, net of shares withheld (in shares) 67                    
Conversion of Class B to Class A Common Shares (in shares) 5 (5)                  
Net change in notes receivable on Class A Common Stock       57             57
Deferred director compensation expense - Class A Common Stock     1 712     1       714
Deferred director compensation expense - Class A Common Stock (in shares) 6                    
Deferred designed key employee compensation expense - Class A Common Stock       795     1       796
Deferred designed key employee compensation expense - Class A Common Stock (In shares) 4                    
Employee stock purchase plan - Class A Common Stock     3 779     7       789
Employee stock purchase plan - Class A Common Stock (in shares) 12                    
Stock-based awards, Performance stock units, net of shares tendered back       145             145
Stock-based awards, Restricted stock, net of shares tendered back     (3) 782     (488)       291
Stock-based awards, Restricted stock, net of shares tendered back (in shares) 1                    
Stock-based awards, Stock options       758             758
Balance at end of period at Dec. 31, 2024     $ 4,587 $ 148,053     $ 853,627 $ (14,238)     $ 992,029
Balance (in shares) at Dec. 31, 2024 17,298 2,150