Loans Receivable and Allowance for Credit Losses - Allowance for Loan Losses (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]
Balance	$ 7,795	$ 14,989	$ 7,305	$ 15,925	$ 15,925
Charge-offs	(436)	(1,512)	(2,871)	(6,877)	(22,593)
Recoveries	231	423	798	1,066
Provisions (credits)	(403)	1,084	1,955	4,870
Balance	7,187	14,984	7,187	14,984	7,305
Unfunded Loan Commitment
Allowance for Loan and Lease Losses [Roll Forward]
Provisions (credits)	(27)	(58)	(128)	(94)
Commercial Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Balance	2,436	7,958	2,241	6,089	6,089
Charge-offs	(144)	(124)	(779)	(282)	(13,889)
Recoveries	0	0	0	0
Provisions (credits)	212	1,211	1,042	3,238
Balance	2,504	9,045	2,504	9,045	2,241
Residential Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Balance	519	678	596	607	607
Charge-offs	0	0	0	(21)	(21)
Recoveries	1	0	1	0
Provisions (credits)	285	(70)	208	22
Balance	805	608	805	608	596
Commercial and Industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance	1,785	1,215	1,077	1,269	1,269
Charge-offs	0	(122)	(130)	(936)	(1,252)
Recoveries	3	160	109	238
Provisions (credits)	1,642	(197)	2,374	485
Balance	3,430	1,056	3,430	1,056	1,077
Consumer and Other
Allowance for Loan and Lease Losses [Roll Forward]
Balance	3,050	5,133	3,386	7,843	7,843
Charge-offs	(292)	(1,266)	(1,962)	(5,638)	(7,431)
Recoveries	227	263	688	828
Provisions (credits)	(2,537)	143	(1,664)	1,240
Balance	448	4,273	448	4,273	3,386
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Balance	5	5	5	4	4
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credits)	(5)	(3)	(5)	(2)
Balance	0	2	0	2	5
Construction to Permanent - CRE
Allowance for Loan and Lease Losses [Roll Forward]
Balance	0	0	0	113	113
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credits)	0	0	0	(113)
Balance	$ 0	$ 0	$ 0	$ 0	$ 0

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

+ Details

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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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