Loans - Average Recorded Investments and Interest Recognized (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Financing Receivable, Impaired [Line Items]
Average recorded investment	$ 9,329	$ 9,658	$ 10,842	$ 11,714
Interest income recognized on impaired loans	91	97	284	303
SBA loans held for investment
Financing Receivable, Impaired [Line Items]
Average recorded investment		917	816	1,384
Average recorded investment, credit	1,369
Interest income recognized on impaired loans	6	18	26	99
Commercial loans \| Real Estate Loan [Member]
Financing Receivable, Impaired [Line Items]
Average recorded investment	1,813	1,355	2,046	1,904
Interest income recognized on impaired loans	21	42	89	119
Commercial loans \| Consumer other
Financing Receivable, Impaired [Line Items]
Average recorded investment	1,151	727	1,691	457
Interest income recognized on impaired loans	38	1	83	11
Residential mortgage loans
Financing Receivable, Impaired [Line Items]
Average recorded investment	2,647	3,571	2,696	4,705
Interest income recognized on impaired loans	3	13	18	13
Consumer loans \| Home equity
Financing Receivable, Impaired [Line Items]
Average recorded investment	414	427	513	572
Interest income recognized on impaired loans	7	5	19	23
Consumer loans \| Consumer other
Financing Receivable, Impaired [Line Items]
Average recorded investment		2		2,691
Residential construction loans
Financing Receivable, Impaired [Line Items]
Average recorded investment	1,935	2,659	3,080	1
Interest income recognized on impaired loans	$ 16	$ 18	$ 49	$ 38

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses, when that nets to a negative value.

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- Definition

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+ References

No definition available.

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- Definition

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

+ References

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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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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