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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2012 $ 174,015 $ 5,966 $ 125,086 $ 60,952 $ (11,896) $ (6,093)
Net income 23,497     23,497    
Cash dividends (8,510)     (8,510)    
Issuance of common shares pursuant to stock-based compensation plan, net (247)   (755)   508  
Exercise of stock options and SARs (836)   (1,244)   408  
Stock-based compensation expense 1,975   1,975      
Other comprehensive income (loss) 533         533
Balance at Dec. 31, 2013 190,427 5,966 125,062 75,939 (10,980) (5,560)
Net income 24,033     24,033    
Cash dividends (9,337)     (9,337)    
Issuance of common shares pursuant to stock-based compensation plan, net (632)   (594)   (38)  
Exercise of stock options and SARs (181)   (340)   159  
Stock-based compensation expense 2,041   2,041      
Purchase of common shares (1,848)       (1,848)  
Other comprehensive income (loss) (4,071)         (4,071)
Balance at Dec. 31, 2014 200,432 5,966 126,169 90,635 (12,707) (9,631)
Net income 23,056     23,056    
Cash dividends (9,697)     (9,697)    
Issuance of common shares pursuant to stock-based compensation plan, net (453)   (1,250)   797  
Exercise of stock options and SARs (394)   (687)   293  
Stock-based compensation expense 2,058   2,058      
Purchase of common shares (10,591)       (10,591)  
Other comprehensive income (loss) 2,967         2,967
Balance at Dec. 31, 2015 $ 207,378 $ 5,966 $ 126,290 $ 103,994 $ (22,208) $ (6,664)