Loans and Allowance for Loan Credit Losses - Schedule of Allowance for Credit Losses by Portfolio Type (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Allowance for credit losses:
Balance, beginning of period	$ 4,514	$ 4,319
Provision for (recapture of) loan credit losses	(418)	195
Loans charged-off	0	0
Recoveries collected	0	0
Balance, end of period	4,096	4,514
Commercial real estate
Allowance for credit losses:
Balance, beginning of period	1,140	1,233
Provision for (recapture of) loan credit losses	328	(93)
Loans charged-off	0	0
Recoveries collected	0	0
Balance, end of period	1,468	1,140
Commercial
Allowance for credit losses:
Balance, beginning of period	483	189
Provision for (recapture of) loan credit losses	(410)	294
Loans charged-off	0	0
Recoveries collected	0	0
Balance, end of period	73	483
Residential real estate closed-end
Allowance for credit losses:
Balance, beginning of period	2,644	2,668
Provision for (recapture of) loan credit losses	(320)	(24)
Loans charged-off	0	0
Recoveries collected	0	0
Balance, end of period	2,324	2,644
Other consumer loans
Allowance for credit losses:
Balance, beginning of period	247	229
Provision for (recapture of) loan credit losses	(16)	18
Loans charged-off	0	0
Recoveries collected	0	0
Balance, end of period	$ 231	$ 247

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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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+ References

No definition available.

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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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