XML 98 R81.htm IDEA: XBRL DOCUMENT v3.6.0.2
Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Tax provision at statutory rate $ 14,746 $ 14,405 $ 13,486
Increase (decrease) in income taxes resulting from:      
Tax-exempt interest income (1,202) (930) (832)
Low income housing tax credits (192) (191) (179)
Non-deductible interest expense 16 11 11
State income taxes, net of federal benefit 1,158 1,152 1,375
Change in valuation allowance (24) (58) 16
Other, net 122 (263) (342)
Income tax expense (benefit) $ 14,624 $ 14,126 $ 13,535