Loans Receivable and Allowance for Credit Losses - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Allowance for Credit Losses
Beginning Balance		$ 2,802	$ 3,253
Recovery of Credit Loss	$ (1,100)	(1,100)	(451)
Loans Charged-Off		(3)
Ending Balance		1,699	2,802
Decrease in allowance for credit loss		1,100
One-to-Four Family Mortgages
Allowance for Credit Losses
Beginning Balance		2,554	2,738
Recovery of Credit Loss		(1,028)	(184)
Ending Balance		1,526	2,554
Home Equity Loans/Lines of Credit
Allowance for Credit Losses
Beginning Balance		57	60
Recovery of Credit Loss		(9)	(3)
Loans Charged-Off		(3)
Ending Balance		45	57
Construction Loans
Allowance for Credit Losses
Beginning Balance		32	73
Recovery of Credit Loss		(19)	(41)
Ending Balance		13	32
Consumer Loans
Allowance for Credit Losses
Beginning Balance		9
Recovery of Credit Loss		19	9
Ending Balance		28	9
Commercial Loans
Allowance for Credit Losses
Beginning Balance		126	2
Recovery of Credit Loss		(46)	124
Ending Balance		80	126
Unallocated
Allowance for Credit Losses
Beginning Balance		24	380
Recovery of Credit Loss		(17)	(356)
Ending Balance		$ 7	$ 24

Amount of net decrease in allowance for credit loss.

No definition available.

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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

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Topic 326
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- Definition

Amount of credit loss expense (reversal of expense) on financing receivable from change in methodology. 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 11
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

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