Allowance for Credit Losses - Activity by Class (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 24,829	$ 24,693	$ 24,871	$ 24,030	$ 24,030
Charge offs	(466)	(150)	(1,340)	(341)	(747)
Recoveries	25	36	113	252	284
Credit loss expense (reduction)	690	(580)	1,434	58	1,304
Ending balance	25,078	23,999	25,078	23,999	24,871
Commercial \| Real estate owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,195	5,253	5,045	4,633	4,633
Charge offs	0	0	0	0	0
Recoveries	0	0	0	100	100
Credit loss expense (reduction)	(65)	(134)	85	386	312
Ending balance	5,130	5,119	5,130	5,119	5,045
Commercial \| Real estate non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,934	4,248	4,829	4,285	4,285
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss expense (reduction)	(169)	723	(64)	686	544
Ending balance	4,765	4,971	4,765	4,971	4,829
Commercial \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	436	922	944	1,978	1,978
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss expense (reduction)	(17)	(115)	(525)	(1,171)	(1,034)
Ending balance	419	807	419	807	944
Commercial \| C&I
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,865	5,021	5,364	5,001	5,001
Charge offs	(347)	(88)	(1,101)	(88)	(451)
Recoveries	0	1	28	24	25
Credit loss expense (reduction)	597	(272)	824	(275)	789
Ending balance	5,115	4,662	5,115	4,662	5,364
Commercial \| Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,572	1,567	1,239	1,318	1,318
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss expense (reduction)	(91)	(305)	242	(56)	(79)
Ending balance	1,481	1,262	1,481	1,262	1,239
Commercial \| Agriculture
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	666	428	605	0	0
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss expense (reduction)	7	185	68	613	605
Ending balance	673	613	673	613	605
Municipal
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	267	180	262	334	334
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss expense (reduction)	21	86	26	(68)	(72)
Ending balance	288	266	288	266	262
Residential \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	415	587	474	618	618
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss expense (reduction)	21	(162)	(38)	(193)	(144)
Ending balance	436	425	436	425	474
Residential \| Term
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,485	5,560	5,241	4,991	4,991
Charge offs	0	0	(1)	(36)	(37)
Recoveries	2	1	6	30	32
Credit loss expense (reduction)	269	(510)	510	66	255
Ending balance	5,756	5,051	5,756	5,051	5,241
Home Equity
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	823	744	686	626	626
Charge offs	0	0	0	(7)	(7)
Recoveries	3	3	15	21	24
Credit loss expense (reduction)	23	(84)	148	23	43
Ending balance	849	663	849	663	686
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	171	183	182	246	246
Charge offs	(119)	(62)	(238)	(210)	(252)
Recoveries	20	31	64	77	103
Credit loss expense (reduction)	94	8	158	47	85
Ending balance	$ 166	$ 160	$ 166	$ 160	$ 182

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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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
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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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 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: 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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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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