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Income Taxes (Schedule of Reconciliation of Expected Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Abstract]
Expected income tax expense									$ 10,862	$ 11,127	$ 10,756
(Reductions) increases resulting from:
Tax-exempt income									(3,704)	(3,896)	(3,297)
State taxes, net of federal benefit									804	751	303
Other, net									16	(223)	(528)
Total income tax expense	$ 2,017	$ 2,083	$ 1,932	$ 1,946	$ 1,902	$ 2,013	$ 1,958	$ 1,886	$ 7,978	$ 7,759	$ 7,234

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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