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Loans Receivable (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021
Loans Receivable (Details) [Line Items] |  |
Net deferred loan costs | $ 262,000 | $ 167,000
One- to four-family loans | 525,000 | 577,000
Loans classified as TDRs | 1,700,000 |
Net of a purchase credit discount | $ 88,000 | $ 88,000
Troubled Debt Restructuring [Member] |  |
Loans Receivable (Details) [Line Items] |  |
Bankruptcy proceedings, percentage | 27.20% |

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- Definition For loans and debt securities, 1) for which at acquisition it was probable that the investor would be unable to collect all contractually required payments receivable, and 2) for which it is further probable that the investor will not be able to collect all cash flows expected at acquisition (plus any additional cash flows expected due to changes in estimate after acquisition), the allowance for credit losses recorded to reflect the impairment since acquisition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5275-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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