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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2018 - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid- In Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance (Scenario, Previously Reported [Member]) at Dec. 31, 2017 $ 12 $ 4,967 $ (160) $ 101,744   $ 106,563
Balance (Restatement Adjustment [Member])       (2,018)   (2,018)
Balance at Dec. 31, 2017 $ 12 4,967 (160) 103,762   108,581
Balance (in shares) (Scenario, Previously Reported [Member]) at Dec. 31, 2017 12,103          
Balance (in shares) at Dec. 31, 2017 12,103          
Net income       12,222   12,222
Share-based compensation   805       805
Share-based compensation (in shares) 16          
Options exercised by executives and directors   62       62
Options exercised by executives and directors (in shares) 14          
Net shares repurchased for employee taxes   (215)       (215)
Net shares repurchased for eimployee taxes, (in shares) (3)          
Treasury stock from cashless options $ 9 750     $ (750)  
Other comprehensive income (loss)     (84)     (84)
Cash dividends declared to stockholders       (5,723)   (5,723)
Balance at Mar. 31, 2018 $ 12 $ 6,369 $ (244) $ 108,243 $ (750) $ 113,630
Balance (in shares) at Mar. 31, 2018 12,139