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Loans and Allowance for Loan Losses (Impaired Loans By Class) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Unpaid Principal Balance
Total	$ 7,452	$ 8,835
Recorded Investment
Total	6,762	7,785
Related Allowance
With no related allowance:	58	72
Average Recorded Investment
Total	6,845	8,025
Interest Income Recognized
Total	61	186
Consumer Installment
Unpaid Principal Balance
Total	20	16
Recorded Investment
Total	19	15
Average Recorded Investment
Total	21	22
Interest Income Recognized
Total		1
Unallocated
Unpaid Principal Balance
Total	203	246
Recorded Investment
Total	128	147
Average Recorded Investment
Total	151	186
Interest Income Recognized
Total	6	16
Commercial Real Estate
Unpaid Principal Balance
Total	3,634	3,964
Recorded Investment
Total	3,233	3,632
Average Recorded Investment
Total	3,256	3,702
Interest Income Recognized
Total		52
Unallocated
Unpaid Principal Balance
Total	149	233
Recorded Investment
Total	140	105
Average Recorded Investment
Total	144	109
Interest Income Recognized
Total	3	3
Residential
Unpaid Principal Balance
Total	3,446	4,376
Recorded Investment
Total	3,242	3,886
Related Allowance
With no related allowance:	58	72
Average Recorded Investment
Total	3,273	4,006
Interest Income Recognized
Total	52	114
With No Related Allowance
Unpaid Principal Balance
With no related allowance:	6,433	7,386
Recorded Investment
With no related allowance:	5,763	6,354
Average Recorded Investment
With no related allowance:	5,839	6,577
Interest Income Recognized
With no related allowance:	47	148
With No Related Allowance | Commercial - Non Real Estate: - Commercial Real Estate:
Unpaid Principal Balance
With no related allowance:	203	246
Recorded Investment
With no related allowance:	128	147
Average Recorded Investment
With no related allowance:	151	186
Interest Income Recognized
With no related allowance:	6	16
With No Related Allowance | Commercial Real Estate Owner Occupied
Unpaid Principal Balance
With no related allowance:	1,086	1,282
Recorded Investment
With no related allowance:	1,004	1,227
Average Recorded Investment
With no related allowance:	1,022	1,258
Interest Income Recognized
With no related allowance:		18
With No Related Allowance | Commercial Real Estate Non-Owner Occupied
Unpaid Principal Balance
With no related allowance:	2,548	2,682
Recorded Investment
With no related allowance:	2,229	2,405
Average Recorded Investment
With no related allowance:	2,234	2,444
Interest Income Recognized
With no related allowance:		34
With No Related Allowance | Construction And Farmland Commercial
Unpaid Principal Balance
With no related allowance:	149	233
Recorded Investment
With no related allowance:	140	105
Average Recorded Investment
With no related allowance:	144	109
Interest Income Recognized
With no related allowance:	3	3
With No Related Allowance | Consumer Installment
Unpaid Principal Balance
With no related allowance:	20	16
Recorded Investment
With no related allowance:	19	15
Average Recorded Investment
With no related allowance:	21	22
Interest Income Recognized
With no related allowance:		1
With No Related Allowance | Residential Equity Lines
Unpaid Principal Balance
With no related allowance:	38	272
Recorded Investment
With no related allowance:	33	42
Average Recorded Investment
With no related allowance:	34	44
With No Related Allowance | Residential Single Family
Unpaid Principal Balance
With no related allowance:	2,389	2,655
Recorded Investment
With no related allowance:	2,210	2,413
Average Recorded Investment
With no related allowance:	2,233	2,514
Interest Income Recognized
With no related allowance:	38	76
With An Allowance Recorded
Unpaid Principal Balance
With an allowance recorded:	1,019	1,449
Recorded Investment
With an allowance recorded:	999	1,431
Related Allowance
With no related allowance:	58	72
Average Recorded Investment
With an allowance recorded:	1,006	1,448
Interest Income Recognized
With an allowance recorded:	14	38
With An Allowance Recorded | Residential Single Family
Unpaid Principal Balance
With an allowance recorded:	1,019	1,449
Recorded Investment
With an allowance recorded:	999	1,431
Related Allowance
With no related allowance:	58	72
Average Recorded Investment
With an allowance recorded:	1,006	1,448
Interest Income Recognized
With an allowance recorded:	$ 14	$ 38

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