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Consolidated Statements of Income and Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Income Statement [Abstract]    
Interest and fees on loans (tax-exempt income) $ 186 $ 148
Interest and dividends on investments (tax-exempt income) $ 1,569 $ 1,237