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Consolidated Statement of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Treasury Stock, Common
Retained Earnings [Member]
Beginning Balance (in shares) at Dec. 31, 2021   8,235,740        
Beginning Balance at Dec. 31, 2021 $ 100,095 $ 82 $ 38,013 $ 1,075 $ (28,617) $ 89,542
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 3,864         3,864
Change in post retirement benefits, net of tax (64)     (64)    
Restricted stock vested (in shares)   34,422        
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures 1 $ 1        
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 501   501      
Ending Balance (in shares) at Mar. 31, 2022   8,270,162        
Ending Balance at Mar. 31, 2022 $ 104,397 $ 83 38,514 1,011 (28,617) 93,406
Beginning Balance (in shares) at Dec. 31, 2022 8,417,656 8,417,656        
Beginning Balance at Dec. 31, 2022 $ 116,125 $ 84 40,342 3,053 $ (29,099) 101,745
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 5,852         5,852
Change in post retirement benefits, net of tax (93)     (93)    
Purchase of treasury stock (in shares)         (1,318)  
Treasury Stock, Value, Acquired, Cost Method 23       $ (23)  
Restricted stock vested (in shares)   4,002        
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures 0 $ 0        
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition $ 731   731      
Ending Balance (in shares) at Mar. 31, 2023 8,420,340 8,420,340        
Ending Balance at Mar. 31, 2023 $ 122,733 $ 84 $ 41,073 $ 3,101 $ (29,122) $ 107,597