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Loans and Allowance for Credit Losses - Summary Of Amortized Cost Of Loans Modified And Experiencing Financial Difficulty (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2024	Jun. 30, 2024
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 381	$ 385
Total Class of Financing Receivable	0.06%	0.06%
One- to four-family [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 0	$ 0
Total Class of Financing Receivable	0.00%	0.00%
Multi-family [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 0	$ 0
Total Class of Financing Receivable	0.00%	0.00%
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 252	$ 252
Total Class of Financing Receivable	0.12%	0.13%
Home equity lines of credit [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 0	$ 0
Total Class of Financing Receivable	0.00%	0.00%
Construction [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 0	$ 0
Total Class of Financing Receivable	0.00%	0.00%
Commercial business [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 129	$ 133
Total Class of Financing Receivable	0.00%	0.15%
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Payment Delay	$ 0	$ 0
Total Class of Financing Receivable	0.14%	0.00%

X

- Definition

Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

+ References

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-SubTopic 10
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-Publisher FASB
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- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

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