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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 (Loss) Income [Member]
Total
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 income (loss)         5,416 5,416
Balance at Mar. 31, 2019 7,753 205,310 79,558 (44,685) (13,456) 234,480
Balance at Dec. 31, 2019 7,753 205,397 90,341 (45,381) (13,920) 244,190
Net income     7,545     7,545
Cash dividends     (3,918)     (3,918)
Issuance of common shares pursuant to stock-based compensation plan, net   (2,075)   948   (1,127)
Exercise of SARs   (243)   141   (102)
Stock-based compensation expense   722       722
Purchase of common shares       (5,508)   (5,508)
Other comprehensive income (loss)         (519) (519)
Balance at Mar. 31, 2020 $ 7,753 $ 203,801 $ 93,968 $ (49,800) $ (14,439) $ 241,283