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Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Consolidated Statements of Stockholders' Equity [Abstract]    
Exercise of stock options, shares 500   
Cash Dividends-Common Stock per share $ 0.14 $ 0.14
Sale of treasury shares to 401(k), Shares 6,091 7,096
Sale of treasury shares to deferred compensation plan, Shares 3,077 3,600