Loans and the Allowance for Loan Losses, Impaired Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Receivables [Abstract]
Unpaid Principal Balance	$ 3,702	$ 4,200
Recorded Investment, Without Valuation Allowance	1,314	1,692
Recorded Investment, With Valuation Allowance	953	424
Associated Allowance	51	11
Average Recorded Investment	2,244	3,257
Interest Income Recognized	6	67
Mortgage Loans on Real Estate [Member]
Receivables [Abstract]
Unpaid Principal Balance	3,686	4,180
Recorded Investment, Without Valuation Allowance	1,300	1,672
Recorded Investment, With Valuation Allowance	953	424
Associated Allowance	51	11
Average Recorded Investment	2,229	3,235
Interest Income Recognized	6	66
Mortgage Loans on Real Estate [Member] \| Residential 1-4 Family [Member]
Receivables [Abstract]
Unpaid Principal Balance	412	474
Recorded Investment, Without Valuation Allowance	72	366
Recorded Investment, With Valuation Allowance	311	87
Associated Allowance	36	1
Average Recorded Investment	387	458
Interest Income Recognized	0	10
Mortgage Loans on Real Estate [Member] \| Commercial [Member]
Receivables [Abstract]
Unpaid Principal Balance	2,931	3,490
Recorded Investment, Without Valuation Allowance	1,098	1,306
Recorded Investment, With Valuation Allowance	432	121
Associated Allowance	12	1
Average Recorded Investment	1,500	2,559
Interest Income Recognized	1	46
Mortgage Loans on Real Estate [Member] \| Construction [Member]
Receivables [Abstract]
Unpaid Principal Balance	212	83
Recorded Investment, Without Valuation Allowance	130	0
Recorded Investment, With Valuation Allowance	81	83
Associated Allowance	0	0
Average Recorded Investment	212	84
Interest Income Recognized	2	5
Mortgage Loans on Real Estate [Member] \| Second Mortgages [Member]
Receivables [Abstract]
Unpaid Principal Balance	131	133
Recorded Investment, Without Valuation Allowance	0	0
Recorded Investment, With Valuation Allowance	129	133
Associated Allowance	3	9
Average Recorded Investment	130	134
Interest Income Recognized	3	5
Commercial [Member] \| Commercial and Industrial Loans [Member]
Receivables [Abstract]
Unpaid Principal Balance	4	6
Recorded Investment, Without Valuation Allowance	3	6
Recorded Investment, With Valuation Allowance	0	0
Associated Allowance	0	0
Average Recorded Investment	4	7
Interest Income Recognized	0	0
Consumer [Member] \| Other Consumer Loans [Member]
Receivables [Abstract]
Unpaid Principal Balance	12	14
Recorded Investment, Without Valuation Allowance	11	14
Recorded Investment, With Valuation Allowance	0	0
Associated Allowance	0	0
Average Recorded Investment	11	15
Interest Income Recognized	$ 0	$ 1

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

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