Loans and Allowance for Credit Losses - Loans Modified as Troubled Debt Restructurings (Detail) $ in Thousands	Jun. 30, 2024 USD ($)
Real estate loans
Total	$ 215
One- to four-family [Member]
Real estate loans
Total	189
Multi-family [Member]
Real estate loans
Total	0
Home equity lines of credit [Member]
Real estate loans
Total	0
Real estate loan [Member]
Real estate loans
Total	189
Construction loans [Member]
Real estate loans
Total	0
Commercial [Member]
Real estate loans
Total	0
Commercial business loans [Member]
Real estate loans
Total	26
Consumer loans [Member]
Real estate loans
Total	$ 0

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
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