Loans Receivable and Allowance for Credit Losses - Loans Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Recorded Investment
With no allowance recorded	$ 39,253	$ 37,942
With a specific allowance recorded	0	0
Total loans	39,253	37,942
Unpaid Principal Balance
With no allowance recorded	45,761	42,932
With a specific allowance recorded	0	0
Unpaid principal balance	45,761	42,932
Specific Allowance
With no allowance recorded	0	0
With a specific allowance recorded	0	0
Specific allowance	0	0
Commercial real estate \| One-to-four family
Recorded Investment
With no allowance recorded	11,307	9,167
Total loans	11,307	9,167
Unpaid Principal Balance
With no allowance recorded	11,356	9,216
Unpaid principal balance	11,356	9,216
Specific Allowance
With no allowance recorded	0	0
Specific allowance	0	0
Commercial real estate \| Multifamily
Recorded Investment
With no allowance recorded	2,026	5,743
Total loans	2,026	5,743
Unpaid Principal Balance
With no allowance recorded	2,026	5,743
Unpaid principal balance	2,026	5,743
Specific Allowance
With no allowance recorded	0	0
Specific allowance	0	0
Commercial real estate \| Commercial real estate
Recorded Investment
With no allowance recorded	8,321	7,517
Total loans	8,321	7,517
Unpaid Principal Balance
With no allowance recorded	8,443	8,089
Unpaid principal balance	8,443	8,089
Specific Allowance
With no allowance recorded	0	0
Specific allowance	0	0
Commercial business loans
Recorded Investment
With no allowance recorded	10,956	15,184
Total loans	10,956	15,184
Unpaid Principal Balance
With no allowance recorded	17,241	19,553
Unpaid principal balance	17,241	19,553
Specific Allowance
With no allowance recorded	0	0
Specific allowance	0	0
Construction \| Commercial real estate
Recorded Investment
With no allowance recorded	5,923
Total loans	5,923
Unpaid Principal Balance
With no allowance recorded	5,975
Unpaid principal balance	5,975
Specific Allowance
With no allowance recorded	0
Specific allowance	0
Consumer loans \| Home equity loans and advances
Recorded Investment
With no allowance recorded	720	331
Total loans	720	331
Unpaid Principal Balance
With no allowance recorded	720	331
Unpaid principal balance	720	331
Specific Allowance
With no allowance recorded	0	0
Specific allowance	$ 0	$ 0

Financing Receivable, Individually Evaluated for Credit Loss, Unpaid Principal Balance

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- Definition

Financing Receivable, Individually Evaluated, Specific Allowance, With Allowance For Credit Loss

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Financing Receivable, Individually Evaluated, Specific Allowance, Without Allowance For Credit Loss

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Financing Receivable, Individually Evaluated, Unpaid Principal Balance, With Allowance For Credit Loss

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Financing Receivable, Individually Evaluated, Unpaid Principal Balance, Without Allowance For Credit Loss

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Impaired Financing Receivable, Related Allowance

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Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

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-Topic 310
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-Name Accounting Standards Codification
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Amount of financing receivable with allowance for credit loss evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

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-Topic 326
-SubTopic 20
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