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Organization and Summary of Significant Accounting Policies - Loans (Details) |  | 12 Months Ended
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Jul. 01, 2020 USD ($) | Jun. 30, 2023 item | Jun. 30, 2020 USD ($)
Number of loan portfolio pools | item |  | 24 |
Impact of adoption ASU 2016-13 |  |  |
Increase to ACL |  |  | $ 8,900,000
Impact of adoption ASU 2016-13 | Purchased credit deteriorated ("PCD") loans |  |  |
Increase to ACL | $ 434,000 |  |

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