Loans - Schedule of Activity in Allowance for Loan Losses (Details) $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($) loan	Dec. 31, 2023 USD ($) loan
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	$ 8,760	$ 7,599
Charge-offs	(122)	(204)
Recoveries	22	41
Provision (Release of)	(161)	564
Ending Allowance	8,499	8,760
Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	0	760
Ending Allowance		0
Real estate loans:
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		5,613
Real estate loans: \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		1,462
Real estate loans: \| One- to four- family
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	2,630	1,771
Charge-offs	0	0
Recoveries	0	0
Provision (Release of)	395	504
Ending Allowance	3,025	2,630
Real estate loans: \| One- to four- family \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		355
Real estate loans: \| Home equity
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	185	132
Charge-offs	0	(25)
Recoveries	0	0
Provision (Release of)	122	9
Ending Allowance	$ 307	$ 185
Number of loans charged off \| loan	1	1
Real estate loans: \| Home equity \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		$ 69
Real estate loans: \| Commercial and multifamily
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	$ 1,070	2,501
Charge-offs	0	0
Recoveries	0	0
Provision (Release of)	148	(1,111)
Ending Allowance	1,218	1,070
Real estate loans: \| Commercial and multifamily \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		(320)
Real estate loans: \| Construction and land
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	1,349	1,209
Charge-offs	0	0
Recoveries	0	0
Provision (Release of)	(357)	(1,219)
Ending Allowance	992	1,349
Real estate loans: \| Construction and land \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		1,359
Consumer loans:
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		1,242
Consumer loans: \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		(177)
Consumer loans: \| Manufactured homes
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	971	462
Charge-offs	(23)	0
Recoveries	0	0
Provision (Release of)	224	689
Ending Allowance	1,172	971
Consumer loans: \| Manufactured homes \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		(180)
Consumer loans: \| Floating homes
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	2,022	456
Charge-offs	0	0
Recoveries	0	0
Provision (Release of)	(740)	1,400
Ending Allowance	1,282	2,022
Consumer loans: \| Floating homes \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		166
Consumer loans: \| Other consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	426	324
Charge-offs	(99)	(179)
Recoveries	22	41
Provision (Release of)	52	403
Ending Allowance	401	426
Consumer loans: \| Other consumer \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		(163)
Commercial business
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	107	256
Charge-offs	0	0
Recoveries	0	0
Provision (Release of)	(5)	(114)
Ending Allowance	102	107
Commercial business \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		(35)
Unallocated
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance	0	488
Charge-offs	0	0
Recoveries	0	0
Provision (Release of)	0	3
Ending Allowance	$ 0	0
Unallocated \| Impact of Adoption of ASU 2016-13
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Allowance		$ (491)

Number Of Loan Charged Off

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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, 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

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+ References

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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
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-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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