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Organization and Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022
Finite-Lived Intangible Assets [Line Items] |  |
Impairment loss on goodwill | $ 0 | $ 0
Core deposit intangible assets, amortization method | using the straight line method |
Core Deposits |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | $ 17,000,000.0 | 17,000,000.0
Intangibles assets, accumulated amortization | 11,900,000 | 11,500,000
Remainder of fiscal 2023 | 1,200,000 |
2024 | 1,600,000 |
2025 | 1,100,000 |
2026 | 581,000 |
2027 | 253,000 |
Thereafter | 417,000 |
Impairment of intangible assets |  | 0
Other identifiable intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | 3,800,000 | 3,800,000
Intangibles assets, accumulated amortization | 3,800,000 | 3,800,000
Impairment of intangible assets | 0 |
Mortgage and SBA servicing rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, net | $ 2,700,000 | $ 2,700,000
Minimum | Core Deposits |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, amortization period | 5 years |
Maximum | Core Deposits |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, amortization period | 7 years |

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