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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Statutory Rate applied to the pre-tax income	21.00%	21.00%	21.00%
Statutory Rate Times Pre-tax Income	$ 15,759	$ 14,960	$ 11,772
Add (Subtract) the Tax Effect of:
Income from Tax-exempt Loans and Investments	(2,681)	(2,246)	(2,129)
State Income Tax, Net of Federal Tax Effect	1,116	165	476
General Business Tax Credits	(1,085)	(1,039)	(914)
Company Owned Life Insurance	(484)	(421)	(260)
Other Differences	209	598	583
Total Income Taxes	$ 12,834	$ 12,017	$ 9,528

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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