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Loans and Allowance for Credit Losses - Gross Charge-offs by Loan Class and Year of Origination (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
2024			$ 7
2023			778
2022			355
2021			247
Prior			43
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	$ 114	$ 113	1,430	$ 453
Residential Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021			97
Prior			36
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	1		133	2
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 loans
Financing Receivable, Credit Quality Indicator [Line Items]
2024			7
2023			123
2022			97
2021			29
Prior			7
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	48	$ 113	263	189
Commercial loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023			59
2022			180
2021			10
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	$ 65		$ 249	$ 17