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Share Repurchase Programs (Details) - USD ($) | 12 Months Ended | 95 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2022 | Aug. 31, 2014
Equity [Abstract] |  |  |  |  |
Share repurchase program, authorized amount |  |  |  |  | $ 50,000,000
Purchase of common stock (in shares) | 0 | 0 |  | 1,416,587 |
Purchase of common stock |  |  | $ 1,625,000 | $ 22,000,000 |

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