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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Cumulative Effect, Period of Adoption, Adjustment [Member]
AOCI Attributable to Parent [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings [Member]
Common Stock Outstanding [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2017     6,161,000            
Balance at Dec. 31, 2017 $ (7,444) $ 7,444   $ 115 $ 81,559 $ 7,444 $ (129,183) $ 167,669 $ 127,604
Net income               23,994 $ 23,994
Exercise of stock options-shares issued including tax benefits (in shares)     45,000           45,005
Exercise of stock options-shares issued including tax benefits       1 485       $ 486
Restricted stock issued (in shares)     38,000            
Treasury stock repurchases (in shares)     (287,000)            
Treasury stock repurchases             (13,369)   (13,369)
Share-based compensation         732       732
Net income               23,994 23,994
Treasury stock repurchases (in shares)     287,000            
Balance (in shares) at Dec. 31, 2018     5,957,000            
Balance at Dec. 31, 2018       116 82,776 0 (142,552) 199,107 139,447
Net income             7,900 $ 7,900
Exercise of stock options-shares issued including tax benefits (in shares)                 (0)
Restricted stock issued (in shares)     44,000            
Treasury stock repurchases (in shares)     252,000            
Treasury stock repurchases             (14,285)   $ (14,285)
Share-based compensation         912       912
Net income             7,900 7,900
Restricted stock issued       1         1
Treasury stock repurchases (in shares)     (252,000)            
Balance (in shares) at Dec. 31, 2019     5,749,000            
Balance at Dec. 31, 2019       117 83,688 0 (156,837) 207,007 133,975
Net income               17,827 $ 17,827
Exercise of stock options-shares issued including tax benefits (in shares)                 (0)
Restricted stock issued (in shares)     40,000            
Treasury stock repurchases (in shares)     (61,000)            
Treasury stock repurchases             (2,281)   $ (2,281)
Share-based compensation         460       460
Net income               17,827 17,827
Treasury stock repurchases (in shares)     61,000            
Balance (in shares) at Dec. 31, 2020     5,728,000            
Balance at Dec. 31, 2020       $ 117 $ 84,148 $ 0 $ (159,118) $ 224,834 $ 149,981