Loans and Allowance for Credit Losses - Loans - Impaired Financing Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	$ 26	$ 28
Unpaid Principal Balance with specific reserves	36	39
Interest Income Recognized with specific reserves	2	2
Specific Reserve with specific reserves	10	11
Average Recorded Investment	49	50
Recorded Investment with no specific reserve		4,876
Unpaid Principal Balance with no specific reserve		5,027
Interest Income Recognized with no specific reserve		199
Specific Reserve	10,000	11,000
Average Recorded Investment with no specific reserve		5,129
Real Estate Loan
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	26	28
Unpaid Principal Balance with specific reserves	36	39
Interest Income Recognized with specific reserves	2	2
Specific Reserve with specific reserves	10	11
Average Recorded Investment	49	50
Recorded Investment with no specific reserve	87
Unpaid Principal Balance with no specific reserve	87
Interest Income Recognized with no specific reserve	3
Average Recorded Investment with no specific reserve	98
Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	71
Unpaid Principal Balance with no specific reserve	71
Interest Income Recognized with no specific reserve	1
Average Recorded Investment with no specific reserve	71
Consumer Loans
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	143	151
Unpaid Principal Balance with no specific reserve	143	151
Interest Income Recognized with no specific reserve	8	14
Average Recorded Investment with no specific reserve	181	270
Single-family \| Real Estate Loan
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	26	28
Unpaid Principal Balance with specific reserves	36	39
Interest Income Recognized with specific reserves	2	2
Specific Reserve with specific reserves	10	11
Average Recorded Investment	49	50
Recorded Investment with no specific reserve	87
Unpaid Principal Balance with no specific reserve	87
Interest Income Recognized with no specific reserve	3
Average Recorded Investment with no specific reserve	98
Commercial \| Real Estate Loan
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve		4,493
Unpaid Principal Balance with no specific reserve		4,493
Interest Income Recognized with no specific reserve		185
Average Recorded Investment with no specific reserve		4,315
SBA Guaranty \| Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	71
Unpaid Principal Balance with no specific reserve	71
Interest Income Recognized with no specific reserve	1
Average Recorded Investment with no specific reserve	71
Consumer and Indirect \| Consumer Loans
Financing Receivable, Impaired [Line Items]
Specific Reserve with specific reserves		11
Recorded Investment with no specific reserve		34
Unpaid Principal Balance with no specific reserve		34
Interest Income Recognized with no specific reserve		4
Average Recorded Investment with no specific reserve		43
Automobile \| Consumer Loans
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	143	117
Unpaid Principal Balance with no specific reserve	143	117
Interest Income Recognized with no specific reserve	8	10
Average Recorded Investment with no specific reserve	181	$ 227
Home Equity Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	301
Unpaid Principal Balance with no specific reserve	301
Interest Income Recognized with no specific reserve	12
Average Recorded Investment with no specific reserve	$ 350

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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