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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total
Balance at Dec. 31, 2017 $ 6,524 $ 204,631 $ 59,314 $ (32,061) $ (13,320) $ 225,088
Net income     8,092     8,092
Cash dividends     (2,948)     (2,948)
Issuance of common shares pursuant to stock-based compensation plan, net   (721)   257   (464)
Exercise of SARs   (69)   32   (37)
Stock-based compensation expense   638       638
Purchase of common shares       (529)   (529)
Other comprehensive loss         (7,418) (7,418)
Balance at Mar. 31, 2018 6,524 204,479 64,458 (32,301) (20,738) 222,422
Balance at Dec. 31, 2018 7,753 205,770 75,171 (39,974) (18,872) 229,848
Net income     8,163     8,163
Cash dividends     (3,776)     (3,776)
Issuance of common shares pursuant to stock-based compensation plan, net   (1,014)   826   (188)
Exercise of SARs   (303)   164   (139)
Stock-based compensation expense   857       857
Purchase of common shares       (5,701)   (5,701)
Other comprehensive loss         5,416 5,416
Balance at Mar. 31, 2019 $ 7,753 $ 205,310 $ 79,558 $ (44,685) $ (13,456) $ 234,480