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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, 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 $ 535     553
Stock issued for stock incentive plans, net (in shares) 189,000        
Stock purchased and retired $ (6) (535) (509)   (1,050)
Stock purchased and retired (in shares) (64,000)        
Net income     8,097   8,097
Pension adjustment, net of taxes       14 14
Dividends paid     (3,398)   (3,398)
Balance at Mar. 31, 2021 $ 3,399   87,269 (1,933) 88,735
Balance (in shares) at Mar. 31, 2021 33,994,000        
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]          
Net income         13,891
Pension adjustment, net of taxes         28
Balance at Jun. 30, 2021 $ 3,399   89,556 (1,919) 91,036
Balance (in shares) at Jun. 30, 2021 33,994,000        
Balance at Mar. 31, 2021 $ 3,399   87,269 (1,933) 88,735
Balance (in shares) at Mar. 31, 2021 33,994,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net   571     571
Stock purchased and retired   (571) 570   (1)
Net income     5,794   5,794
Pension adjustment, net of taxes       14 14
Dividends paid     (4,077)   (4,077)
Balance at Jun. 30, 2021 $ 3,399   89,556 (1,919) 91,036
Balance (in shares) at Jun. 30, 2021 33,994,000        
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 $ 21 589     $ 610
Stock issued for stock incentive plans, net (in shares) 211,000        
Stock purchased and retired $ (6) (589) (107)   (702)
Stock purchased and retired (in shares) (60,000)        
Net income     7,063   7,063
Pension adjustment, net of taxes       22 22
Dividends paid     (4,095)   (4,095)
Balance at Mar. 31, 2022 $ 3,414   100,563 (2,554) 101,423
Balance (in shares) at Mar. 31, 2022 34,144,000        
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]          
Net income         $ 17,018
Pension adjustment, net of taxes         44
Balance at Jun. 30, 2022 $ 3,424   107,232 (2,532) $ 108,124
Balance (in shares) at Jun. 30, 2022 34,238,000       34,238,382
Balance at Mar. 31, 2022 $ 3,414   100,563 (2,554) $ 101,423
Balance (in shares) at Mar. 31, 2022 34,144,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net $ 10 810     820
Stock issued for stock incentive plans, net (in shares) 94,000        
Stock purchased and retired   $ (810) 810    
Net income     9,955   9,955
Pension adjustment, net of taxes       22 22
Dividends paid     (4,096)   (4,096)
Balance at Jun. 30, 2022 $ 3,424   $ 107,232 $ (2,532) $ 108,124
Balance (in shares) at Jun. 30, 2022 34,238,000       34,238,382