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Loans and Allowance for Loan Credit Losses - Schedule of Allowance for Credit Losses by Portfolio Type (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Allowance for credit losses:
Balance, beginning of period	$ 4,514	$ 4,319	$ 4,319
Provision for (recapture of) loan credit losses	(38)	5
Loans charged-off	0	0	0
Recoveries collected	0	0
Balance, end of period	4,476	4,324	4,514
Commercial real estate
Allowance for credit losses:
Balance, beginning of period	1,140	1,233	1,233
Provision for (recapture of) loan credit losses	164	(16)
Loans charged-off	0	0	0
Recoveries collected	0	0
Balance, end of period	1,304	1,217	1,140
Commercial
Allowance for credit losses:
Balance, beginning of period	483	189	189
Provision for (recapture of) loan credit losses	(224)	(12)
Loans charged-off	0	0	0
Recoveries collected	0	0
Balance, end of period	259	177	483
Residential real estate closed-end
Allowance for credit losses:
Balance, beginning of period	2,644	2,668	2,668
Provision for (recapture of) loan credit losses	31	13
Loans charged-off	0	0	0
Recoveries collected	0	0
Balance, end of period	2,675	2,681	2,644
Other consumer loans
Allowance for credit losses:
Balance, beginning of period	247	229	229
Provision for (recapture of) loan credit losses	(9)	20
Loans charged-off	0	0	0
Recoveries collected	0	0
Balance, end of period	$ 238	$ 249	$ 247

X

- 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

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+ References

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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 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: 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

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