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Consolidated Statements of Income and Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Statement [Abstract]        
Interest and fees on loans (tax-exempt income) $ 487 $ 434 $ 487 $ 434
Interest and dividends on investments (tax-exempt income) $ 3,761 $ 3,891 $ 3,761 $ 3,891