Investment Securities (Details) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2024 USD ($) security	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) security	Mar. 31, 2023 USD ($)	Jun. 30, 2023 USD ($) item security
Investment Securities
Proceeds from sale of securities	$ 0	$ 0	$ 2,438	$ 0
Gross realized gains			$ 85
Number of securities held for less than 12 months \| security	0		0
Number of securities temporarily impaired	125		125		126
Financial Instrument, Owned, Pledged Status	Asset Pledged as Collateral without Right		Asset Pledged as Collateral without Right		Asset Pledged as Collateral without Right
Number of equity securities \| security	1		1		1
Equity securities	$ 2,000		$ 2,000		$ 1,629
Unrealized gain (loss) on equity securities	150	$ (435)	371	$ (654)
Asset Pledged as Collateral
Investment Securities
Pledged investment securities	$ 2,600		$ 2,600		$ 2,500
Asset Pledged as Collateral without Right
Investment Securities
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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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