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Consolidated Statements of Changes in Shareholders’ Equity (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Statement of Stockholders' Equity [Abstract]    
Cash dividends per share (usd per share) $ 0.17 $ 0.07
Stock-based compensation plans, issuance of stock, shares   55,417
Stock-based compensation plans, issuance of stock, restricted shares 37,642  
Compensation expense, issuance of stock   $ 291
Compensation expense, issuance of stock, restricted shares $ 496  
Issuance of treasury stock, shares 2,461  
Compensation expense, issuance of treasury stock $ 3  
Issuance of stock through dividend reinvestment plan, shares   5,239
Acquisition of treasury stock (in shares) 35,648