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Summary of Significant Accounting Policies (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 25, 2024 $ / shares | Jun. 30, 2024 USD ($) subsidiary $ / shares | Jun. 30, 2023 USD ($) $ / shares | Jun. 30, 2022 USD ($) $ / shares | Jun. 30, 2021 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Number of wholly owned bank subsidiaries | subsidiary |  | 3 |  |  |
Dividends declared per common share (in dollars per share) | $ / shares |  | $ 0.44 | $ 0.44 | $ 0.43 |
Goodwill impairment |  | $ 97,370,000 | $ 0 | $ 0 |
Finite-lived intangible assets, net |  | 1,931,000 | 2,457,000 | $ 3,020,000 | $ 3,705,000
Unrecognized income tax benefits |  | $ 0 | $ 0 |  |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Dividends declared per common share (in dollars per share) | $ / shares | $ 0.11 |  |  |  |

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