Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Recognized provisional net tax expense	$ 2,700
Expected income tax expense at federal tax rate	21.00%	21.00%	35.00%
Allowance for loan losses	$ 3,011	$ 3,020
Unrecorded income tax liability from bad debt deductions	330	330
Retained Earnings [Member]
Allowance for loan losses	$ 1,200	$ 1,200

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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