Allowance for Credit Losses - Schedule of Allowance Allocated by Portfolio Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	$ 2,826	$ 3,439
Allowance on loans and leases collectively evaluated for impairment	18,426	18,134
Total	21,252	21,573	$ 20,827	$ 18,438
Carrying value of loans and leases individually evaluated for impairment	56,602	52,571
Carrying value of loans and leases collectively evaluated for impairment	2,108,093	2,100,717
Total	2,164,695	2,153,288
Commercial mortgage
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	0	0
Allowance on loans and leases collectively evaluated for impairment	3,549	3,676
Total	3,549	3,676	3,382	3,469
Carrying value of loans and leases individually evaluated for impairment	6,748	2,472
Carrying value of loans and leases collectively evaluated for impairment	863,796	876,968
Total	870,544	879,440
Home equity lines and loans
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	57	0
Allowance on loans and leases collectively evaluated for impairment	1,215	1,162
Total	1,272	1,162	1,165	1,147
Carrying value of loans and leases individually evaluated for impairment	2,223	2,023
Carrying value of loans and leases collectively evaluated for impairment	107,572	104,979
Total	109,795	107,002
Residential mortgage
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	177	122
Allowance on loans and leases collectively evaluated for impairment	886	804
Total	1,063	926	1,027	1,021
Carrying value of loans and leases individually evaluated for impairment	8,853	9,875
Carrying value of loans and leases collectively evaluated for impairment	212,124	211,864
Total	220,977	221,739
Construction
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	307	331
Allowance on loans and leases collectively evaluated for impairment	1,923	1,736
Total	2,230	2,067	1,641	923
Carrying value of loans and leases individually evaluated for impairment	7,688	6,650
Carrying value of loans and leases collectively evaluated for impairment	335,688	323,893
Total	343,376	330,543
Commercial, industrial & other finance receivables
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	977	0
Allowance on loans and leases collectively evaluated for impairment	3,092	2,982
Total	4,069	2,982	2,765	3,098
Carrying value of loans and leases individually evaluated for impairment	7,179	6,770
Carrying value of loans and leases collectively evaluated for impairment	437,216	422,211
Total	444,395	428,981
Small business loans
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	1,308	2,986
Allowance on loans and leases collectively evaluated for impairment	6,420	6,335
Total	7,728	9,321	8,611	6,304
Carrying value of loans and leases individually evaluated for impairment	23,911	24,781
Carrying value of loans and leases collectively evaluated for impairment	110,557	114,984
Total	134,468	139,765
Consumer
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	0	0
Allowance on loans and leases collectively evaluated for impairment	0	0
Total	0	0	0	0
Carrying value of loans and leases individually evaluated for impairment	0	0
Carrying value of loans and leases collectively evaluated for impairment	303	329
Total	303	329
Leases, net
Impaired Loans
Allowance on loans and leases individually evaluated for impairment	0	0
Allowance on loans and leases collectively evaluated for impairment	1,341	1,439
Total	1,341	1,439	$ 2,236	$ 2,476
Carrying value of loans and leases individually evaluated for impairment	0	0
Carrying value of loans and leases collectively evaluated for impairment	40,837	45,489
Total	$ 40,837	$ 45,489

The balance of financing receivables excluding loans and leases carried at fair value.

No definition available.

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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

+ Details

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- Definition

Amount of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.5.a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
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-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 30
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479391/326-20-30-2

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- Definition

Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

+ References

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- Definition

Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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