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Loans - TDR's by Class and Specific Reserves (Details) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($) loan	Sep. 30, 2021 USD ($) loan	Dec. 31, 2021 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	31	64	60
Balance	$ 4,926	$ 10,051	$ 8,341
Specific Reserves	$ 189	$ 636	$ 532
Commercial |    Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	6	10	8
Balance	$ 1,100	$ 2,238	$ 1,227
Specific Reserves	$ 0	$ 138	$ 42
Commercial |    Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	1	1	1
Balance	$ 661	$ 681	$ 661
Specific Reserves	$ 6	$ 18	$ 16
Commercial |    Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	4	6	5
Balance	$ 461	$ 883	$ 765
Specific Reserves	$ 83	$ 351	$ 337
Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	0	0	0
Balance	$ 0	$ 0	$ 0
Specific Reserves	$ 0	$ 0	$ 0
Residential |    Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	0	0	0
Balance	$ 0	$ 0	$ 0
Specific Reserves	$ 0	$ 0	$ 0
Residential |    Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	20	45	45
Balance	$ 2,704	$ 6,224	$ 5,686
Specific Reserves	$ 100	$ 129	$ 137
Home equity line of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	0	1	0
Balance	$ 0	$ 21	$ 0
Specific Reserves	$ 0	$ 0	$ 0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	0	1	1
Balance	$ 0	$ 4	$ 2
Specific Reserves	$ 0	$ 0	$ 0

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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