Loans Held for Investment - Schedule of Past Due Status of Loans Held for Investment, Gross (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Performing	$ 1,783	$ 1,422
Total loans held for investment, gross	1,073,406	1,074,164
Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	1,071,283	1,072,741
30 to 89 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	340	1
Commercial business loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	1,616	1,565
Commercial business loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	1,616	1,565
Consumer loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	68	65
Consumer loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	62	64
Consumer loans \| 30 to 89 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	6	1
Single-family \| Mortgage loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Performing	1,783	1,422
Total loans held for investment, gross	521,944	518,821
Single-family \| Mortgage loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	519,827	517,399
Single-family \| Mortgage loans \| 30 to 89 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	334
Multi Family \| Mortgage loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	458,502	461,113
Multi Family \| Mortgage loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	458,502	461,113
Commercial real estate \| Mortgage loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	88,640	90,558
Commercial real estate \| Mortgage loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	88,640	90,558
Construction \| Mortgage loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	2,534	1,936
Construction \| Mortgage loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	2,534	1,936
Other \| Mortgage loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	102	106
Other \| Mortgage loans \| Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held for investment, gross	$ 102	$ 106

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481598/310-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479294/326-20-55-80

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