Loans and Allowance for Credit Losses - Gross Charge-offs by Loan Class and Year of Origination (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
2025		$ 6
2024	$ 37	45
2023	49	26
2022	11	218
2021	3
Prior	59	40
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	159	335
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024		4
2023	28
Prior	11
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	39	4
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025		6
2024	37	41
2023	21	26
2022	11	10
2021	3
Prior		5
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	72	88
Secured by real estate \| 1-4 residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	48	35
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	$ 48	35
Secured by real estate \| Multi-family real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2022		97
Financing Receivable, Allowance for Credit Loss, Writeoff, Total		97
Secured by real estate \| Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
2022		111
Financing Receivable, Allowance for Credit Loss, Writeoff, Total		$ 111

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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