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Loans and Allowance for Credit Losses - Gross Charge-offs by Loan Class and Year of Origination (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2024	$ 38
2023	948
2022	761
2021	259
Prior	49
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	2,055	$ 673	$ 153
Residential Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2022	382
2021	97
Prior	36
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	515	19	72
Construction Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	100
2022	78
2021	111
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	289
Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	496
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	496	245
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	38
2023	162
2022	106
2021	41
Prior	13
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	360	327	65
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	190
2022	195
2021	10
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	$ 395	$ 82	$ 16