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Allowance for Credit Losses - Activity by Class (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 23,465	$ 16,201	$ 16,723	$ 15,521	$ 15,521
Charge offs	86	260	208	619	758
Recoveries	104	46	178	185	210
Provision (credit)	(161)	400	419	1,300	1,750
Ending balance	23,322	16,387	23,322	16,387	16,723
Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			6,210
Ending balance					6,210
Commercial | Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries		(1)
Commercial | Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,719	5,480	6,116	5,367	5,367
Charge offs	1	0		0	0
Recoveries	2			16	20
Provision (credit)	(209)	96		192	729
Ending balance	4,511	5,575	4,511	5,575	6,116
Commercial | Real estate owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			6,116
Charge offs			40
Recoveries			2
Provision (credit)			119
Ending balance	4,511		4,511		6,116
Commercial | Real estate owner occupied | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			(1,686)
Ending balance					(1,686)
Commercial | Real estate non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,492		0
Charge offs	0		0
Recoveries	0		75
Provision (credit)	(63)		39
Ending balance	4,429		4,429		0
Commercial | Real estate non-owner occupied | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			4,315
Ending balance					4,315
Commercial | Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,469	1,151	821	746	746
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision (credit)	133	(30)	(162)	375	75
Ending balance	1,602	1,121	1,602	1,121	821
Commercial | Construction | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			943
Ending balance					943
Commercial | C&I
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,721		3,097
Charge offs	16		16
Recoveries	0		3
Provision (credit)	92		68
Ending balance	4,797		4,797		3,097
Commercial | C&I | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			1,645
Ending balance					1,645
Commercial |    Other
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance		2,948	3,097	2,830	2,830
Charge offs		229		272	309
Recoveries		9		11	13
Provision (credit)		286		445	563
Ending balance	4,797	3,014	4,797	3,014	3,097
Commercial | Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,312		0
Charge offs	0		0
Recoveries	0		0
Provision (credit)	(35)		93
Ending balance	1,277		1,277		0
Commercial | Multifamily | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			1,184
Ending balance					1,184
Municipal
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	399	157	162	157	157
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision (credit)	(23)	3	82	3	5
Ending balance	376	160	376	160	162
Municipal | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			132
Ending balance					132
Residential | Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	609	191	199	148	148
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision (credit)	(33)	(23)	(358)	20	51
Ending balance	576	168	576	168	199
Residential | Construction | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			735
Ending balance					735
Residential | Term
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,831	2,592	2,559	2,733	2,733
Charge offs	0	0	0	0	8
Recoveries	4	16	10	27	29
Provision (credit)	51	(61)	439	(213)	(195)
Ending balance	4,886	2,547	4,886	2,547	2,559
Residential | Term | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			1,878
Ending balance					1,878
Home Equity Line of Credit
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	635	966	1,029	925	925
Charge offs	0	0	0	29	29
Recoveries	3	2	10	3	4
Provision (credit)	(21)	25	34	94	129
Ending balance	617	993	617	993	1,029
Home Equity Line of Credit | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			(456)
Ending balance					(456)
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	278	866	1,062	833	833
Charge offs	69	31	152	318	412
Recoveries	20	20	78	128	144
Provision (credit)	22	17	65	229	497
Ending balance	251	872	251	872	1,062
Consumer | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			(802)
Ending balance					(802)
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	0	1,850	1,678	1,782	1,782
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Provision (credit)	0	87	0	155	(104)
Ending balance	$ 0	$ 1,937	0	$ 1,937	1,678
Unallocated | Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			$ (1,678)
Ending balance					$ (1,678)

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-6

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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