Receivable and Allowance for Credit Losses - Loans Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Recorded Investment
With no allowance recorded	$ 19,919	$ 16,557
With a specific allowance recorded	12,037	6,663
Recorded investment	31,956	23,220
Unpaid Principal Balance
With no allowance recorded	22,862	18,121
With a specific allowance recorded	12,058	6,684
Unpaid principal balance	34,920	24,805
Specific Allowance
Specific allowance	614	339
Real estate loans \| One-to-four family
Recorded Investment
With no allowance recorded	1,170	1,296
With a specific allowance recorded	2,893	2,868
Recorded investment	4,063	4,164
Unpaid Principal Balance
With no allowance recorded	1,519	1,644
With a specific allowance recorded	2,911	2,887
Unpaid principal balance	4,430	4,531
Specific Allowance
Specific allowance	186	201
Real estate loans \| Multifamily
Recorded Investment
With no allowance recorded	49	59
With a specific allowance recorded	333	398
Recorded investment	382	457
Unpaid Principal Balance
With no allowance recorded	52	63
With a specific allowance recorded	333	397
Unpaid principal balance	385	460
Specific Allowance
Specific allowance	7	3
Real estate loans \| Commercial real estate
Recorded Investment
With no allowance recorded	12,741	14,836
With a specific allowance recorded	2,619	1,893
Recorded investment	15,360	16,729
Unpaid Principal Balance
With no allowance recorded	14,364	15,699
With a specific allowance recorded	2,622	1,896
Unpaid principal balance	16,986	17,595
Specific Allowance
Specific allowance	237	99
Commercial business loans
Recorded Investment
With no allowance recorded	5,814	143
With a specific allowance recorded	5,736	1,030
Recorded investment	11,550	1,173
Unpaid Principal Balance
With no allowance recorded	6,764	400
With a specific allowance recorded	5,736	1,030
Unpaid principal balance	12,500	1,430
Specific Allowance
Specific allowance	154	10
Consumer loans \| Home equity loans and advances
Recorded Investment
With no allowance recorded	145	223
With a specific allowance recorded	456	474
Recorded investment	601	697
Unpaid Principal Balance
With no allowance recorded	163	315
With a specific allowance recorded	456	474
Unpaid principal balance	619	789
Specific Allowance
Specific allowance	$ 30	$ 26

Impaired Financing Receivable, Related Allowance

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-14A

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Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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