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Shareholders' Equity (Tables)
3 Months Ended
Mar. 31, 2013
Shareholders' Equity [Abstract]  
Changes In Shares Of Common Stock
  Outstanding   Treasury   Issued
March 31, 2013          
Shares outstanding at December 31, 2012 13,787,709   373,888   14,161,597
Restricted stock awards issued 33,035   (33,035 ) -
Restricted stock awards forfeited (6,237 ) 6,237   -
Stock options exercised 800   (800 ) -
Treasury stock purchases (11,349 ) 11,349   -
Shares outstanding at March 31, 2013 13,803,958   357,639   14,161,597
 
March 31, 2012          
Shares outstanding at December 31, 2011 13,803,116   358,481   14,161,597
Restricted stock awards issued 48,741   (48,741 ) -
Restricted stock awards forfeited (9,748 ) 9,748   -
Stock options exercised 1,650   (1,650 ) -
Treasury stock purchases (31,518 ) 31,518   -
Shares outstanding at March 31, 2012 13,812,241   349,356   14,161,597