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Loans and Allowance for Credit Losses - Schedule Of Amortized Cost Basis Collateral Dependent Loans By Class And Related Allowances (Detail)	9 Months Ended
	Mar. 31, 2023 USD ($)
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	$ 143,000
One- to four-family [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	0
Multi-family [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	0
Home equity lines of credit [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	0
Construction [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	0
Commercial [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	0
Commercial [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	143,000
Consumer [Member]
Schedule Of Loans And Leases Receivable Measured At Amortized Cost Including Related Allowances [Line Items]
Allowance for Credit Losses	$ 0

X

- Definition

Schedule of loans and leases receivable measured at amortized cost including related allowances.

+ References

No definition available.

+ Details

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- Definition

Amount of addition to allowance reserve for credit loss arising from purchase of loan and lease portfolios.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

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