Loans Receivable and Allowance for Credit Losses - Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 7,779	$ 6,729	$ 6,839	$ 7,305	$ 7,305
Charge-offs	(16)	(765)	(60)	(2,435)	(3,020)
Recoveries	136	229	390	567
PSL allowance credit losses	0		925
Provisions (credits)	572	1,602	375	2,358
Ending balance	8,469	7,795	8,469	7,795	6,839
Unfunded Loan Commitment
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance			80
Provisions (credits)	18	78	33	101
Ending balance	113		113		80
Commercial Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,602	2,275	2,340	2,241	2,241
Charge-offs	0	0	0	(635)	(778)
Recoveries	0	0	0	0
PSL allowance credit losses	0		215
Provisions (credits)	279	161	327	830
Ending balance	2,881	2,436	2,881	2,436	2,340
Residential Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,356	639	753	596	596
Charge-offs	0	0	0	0	0
Recoveries	1	0	6	0
PSL allowance credit losses	0		710
Provisions (credits)	(115)	(120)	(228)	(77)
Ending balance	1,241	519	1,241	519	753
Commercial and Industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,532	1,168	3,305	1,077	1,077
Charge-offs	0	(11)	0	(130)	(129)
Recoveries	7	20	82	106
PSL allowance credit losses	0		0
Provisions (credits)	577	608	729	732
Ending balance	4,115	1,785	4,115	1,785	3,305
Consumer and Other
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	289	2,607	441	3,386	3,386
Charge-offs	(16)	(754)	(60)	(1,670)	(2,069)
Recoveries	129	209	303	461
PSL allowance credit losses	0		0
Provisions (credits)	(169)	988	(452)	873
Ending balance	233	3,050	233	3,050	441
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	0	8	0	5	5
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
PSL allowance credit losses	0		0
Provisions (credits)	0	(3)	0	0
Ending balance	$ 0	$ 5	$ 0	$ 5	$ 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/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: 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 purchase of loan. Excludes financing receivable purchased with credit deterioration, loan acquired through business combination or acquisition, and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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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
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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

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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
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