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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dividends per share $ 0.08 $ 0.03
Retained Earnings [Member]    
Dividends per share $ 0.08 $ 0.03
Treasury Stock, at Cost [Member]    
Treasury stock reissued, shares 4,495 4,468