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Fair Value Measurements and Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Jun. 30, 2025
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Fair Value Measurements and Fair Value of Financial Instruments [Abstract] |  |
Securities available-for-sale | $ 370,201 | $ 356,062
Equity securities | 355 | 402
Carrying Amount [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments [Abstract] |  |
Cash and cash equivalents | 139,450 | 183,078
Long-term certificate of deposit | 1,225 | 1,425
Securities available-for-sale | 370,201 | 356,062
Securities held-to-maturity | 814,314 | 776,147
Equity securities | 355 | 402
Federal Home Loan Bank stock | 5,549 | 5,504
Net loans receivable | 1,725,925 | 1,607,260
Accrued interest receivable | 20,070 | 16,381
Interest rate swap asset | 3,823 | 4,733
Deposits | 2,772,554 | 2,639,835
Borrowings | 77,389 | 78,189
Subordinated notes payable, net | 29,954 | 49,867
Accrued interest payable | 707 | 1,271
Interest rate swap liability | 3,823 | 4,733
Fair Value [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments [Abstract] |  |
Cash and cash equivalents | 139,450 | 183,078
Long-term certificate of deposit | 1,226 | 1,421
Securities available-for-sale | 370,201 | 356,062
Securities held-to-maturity | 785,078 | 738,134
Equity securities | 355 | 402
Federal Home Loan Bank stock | 5,549 | 5,504
Net loans receivable | 1,667,977 | 1,536,150
Accrued interest receivable | 20,070 | 16,381
Interest rate swap asset | 3,823 | 4,733
Deposits | 2,771,714 | 2,639,246
Borrowings | 77,514 | 78,346
Subordinated notes payable, net | 29,089 | 48,485
Accrued interest payable | 707 | 1,271
Interest rate swap liability | 3,823 | 4,733
Level 1 [Member] | Fair Value [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments [Abstract] |  |
Cash and cash equivalents | 139,450 | 183,078
Long-term certificate of deposit | 0 | 0
Securities available-for-sale | 0 | 0
Securities held-to-maturity | 0 | 0
Equity securities | 355 | 402
Federal Home Loan Bank stock | 0 | 0
Net loans receivable | 0 | 0
Accrued interest receivable | 0 | 0
Interest rate swap asset | 0 | 0
Deposits | 0 | 0
Borrowings | 0 | 0
Subordinated notes payable, net | 0 | 0
Accrued interest payable | 0 | 0
Interest rate swap liability | 0 | 0
Level 2 [Member] | Fair Value [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments [Abstract] |  |
Cash and cash equivalents | 0 | 0
Long-term certificate of deposit | 1,226 | 1,421
Securities available-for-sale | 370,201 | 356,062
Securities held-to-maturity | 785,078 | 738,134
Equity securities | 0 | 0
Federal Home Loan Bank stock | 5,549 | 5,504
Net loans receivable | 0 | 0
Accrued interest receivable | 20,070 | 16,381
Interest rate swap asset | 3,823 | 4,733
Deposits | 2,771,714 | 2,639,246
Borrowings | 77,514 | 78,346
Subordinated notes payable, net | 29,089 | 48,485
Accrued interest payable | 707 | 1,271
Interest rate swap liability | 3,823 | 4,733
Level 3 [Member] | Fair Value [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments [Abstract] |  |
Cash and cash equivalents | 0 | 0
Long-term certificate of deposit | 0 | 0
Securities available-for-sale | 0 | 0
Securities held-to-maturity | 0 | 0
Equity securities | 0 | 0
Federal Home Loan Bank stock | 0 | 0
Net loans receivable | 1,667,977 | 1,536,150
Accrued interest receivable | 0 | 0
Interest rate swap asset | 0 | 0
Deposits | 0 | 0
Borrowings | 0 | 0
Subordinated notes payable, net | 0 | 0
Accrued interest payable | 0 | 0
Interest rate swap liability | $ 0 | $ 0

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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Receivables related accrued interest from notes and loans receivable. + References No definition available. + Details
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- Definition Fair value portion of a savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. + References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 10: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D + Details
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- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E + Details
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