Allowance for Credit Losses - Schedule of Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 71,066	$ 71,913	$ 71,913
Provision for (recovery of) loan credit losses	745	712
Recoveries on loans	587	615
Loans charged off	(976)	(1,645)
Ending balance	71,422	71,595	71,066
Period End Allowance Balance Allocated To:
Individually evaluated loans	1,251	922
Collectively evaluated loans	70,171	70,673
Ending balance	71,422	71,595	71,066
Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	10,065	9,431	9,431
Provision for (recovery of) loan credit losses	(111)	239
Recoveries on loans	68	57
Loans charged off	(99)	(508)
Ending balance	9,923	9,219	10,065
Period End Allowance Balance Allocated To:
Individually evaluated loans	82	922
Collectively evaluated loans	9,841	8,297
Ending balance	9,923	9,219	10,065
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	32,445	35,038	35,038
Provision for (recovery of) loan credit losses	(71)	(690)
Recoveries on loans	42	52
Loans charged off	(26)	(248)
Ending balance	32,390	34,152	32,445
Period End Allowance Balance Allocated To:
Individually evaluated loans	510	0
Collectively evaluated loans	31,880	34,152
Ending balance	32,390	34,152	32,445
Residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	25,991	25,845	25,845
Provision for (recovery of) loan credit losses	511	825
Recoveries on loans	186	28
Loans charged off	(142)	(161)
Ending balance	26,546	26,537	25,991
Period End Allowance Balance Allocated To:
Individually evaluated loans	659	0
Collectively evaluated loans	25,887	26,537
Ending balance	26,546	26,537	25,991
Consumer and other loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,565	1,599	1,599
Provision for (recovery of) loan credit losses	416	338
Recoveries on loans	291	478
Loans charged off	(709)	(728)
Ending balance	2,563	1,687	2,565
Period End Allowance Balance Allocated To:
Individually evaluated loans	0	0
Collectively evaluated loans	2,563	1,687
Ending balance	$ 2,563	$ 1,687	$ 2,565

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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 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

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-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

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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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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