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Consolidated Statements Of Changes In Shareholders' Equity (USD $)
In Thousands
Capital Stock [Member]
Surplus [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2010 $ 9,051 $ 26,165 $ 80,379 $ 284 $ (12,271) $ 103,608
Net income     11,043     11,043
Total other comprehensive income       6,740   6,740
Common stock     (4,228)     (4,228)
Purchase of treasury stock         (623) (623)
Stock options exercised, including related tax effects   248 (996)   2,359 1,611
Recognition of stock based compensation expense   99       99
Balance at Dec. 31, 2011 9,051 26,512 86,198 7,024 (10,535) 118,250
Net income     12,466     12,466
Total other comprehensive income       673   673
Common stock     (4,565)     (4,565)
Purchase of treasury stock         (181) (181)
Stock options exercised, including related tax effects   35 (228)   1,380 1,187
Recognition of stock based compensation expense   195 21     216
Restricted stock grants   (49) 8   41  
Balance at Dec. 31, 2012 9,051 26,693 93,900 7,697 (9,295) 128,046
Net income     13,183     13,183
Total other comprehensive income       (15,637)   (15,637)
Common stock     (4,915)     (4,915)
Purchase of treasury stock         (24) (24)
Stock options exercised, including related tax effects   19 (49)   491 461
Recognition of stock based compensation expense   254 11     265
Restricted stock grants   (121) 17   104  
Balance at Dec. 31, 2013 $ 9,051 $ 26,845 $ 102,147 $ (7,940) $ (8,724) $ 121,379