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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (Parenthetical) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Shares issued using employee stock purchase plan 1,098 2,400 4,726
Shares issued using dividend reinvestment plan 1,954 934 644
Shares issued using stock option exercises 51,055 50,930 8,800
Number of shares tendered for stock option 18,950 19,120  
Cash dividends per share $ 0.45 $ 0.09  
Common Stock [Member]
     
Shares issued using employee stock purchase plan 1,098 2,400 4,726
Shares issued using dividend reinvestment plan 1,954 934 644
Shares issued using stock option exercises 51,055 50,930 8,800
Number of shares tendered for stock option 18,950 19,120  
Cash dividends per share $ 0.45 $ 0.09