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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common stock
Capital in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Total
Balance at Dec. 31, 2019 $ 3,387   $ 76,573 $ (2,748) $ 77,212
Balance (in shares) at Dec. 31, 2019 33,870,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net $ 17 $ 3,085     3,102
Stock issued for stock incentive plans, net (in shares) 173,000        
Stock purchased and retired $ (17) (3,085) 612   (2,490)
Stock purchased and retired (in shares) (174,000)        
Net income     19,444   19,444
Pension adjustment, net of taxes       801 801
Dividends     (13,550)   (13,550)
Balance at Dec. 31, 2020 $ 3,387   83,079 (1,947) 84,519
Balance (in shares) at Dec. 31, 2020 33,869,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net $ 18 2,271     2,289
Stock issued for stock incentive plans, net (in shares) 188,000        
Stock purchased and retired $ (6) (2,271) 1,226   (1,051)
Stock purchased and retired (in shares) (64,000)        
Net income     29,026   29,026
Pension adjustment, net of taxes       (629) (629)
Dividends     (15,629)   (15,629)
Balance at Dec. 31, 2021 $ 3,399   97,702 (2,576) $ 98,525
Balance (in shares) at Dec. 31, 2021 33,993,000       33,992,054
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net $ 29 2,678     $ 2,707
Stock issued for stock incentive plans, net (in shares) 285,000        
Stock purchased and retired $ (6) $ (2,678) 1,982   (702)
Stock purchased and retired (in shares) (60,000)        
Net income     40,347   40,347
Pension adjustment, net of taxes       581 581
Dividends     (17,077)   (17,077)
Balance at Dec. 31, 2022 $ 3,422   $ 122,954 $ (1,995) $ 124,381
Balance (in shares) at Dec. 31, 2022 34,218,000       34,217,582