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Organization and Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items] |  |
Impairment loss on goodwill | $ 0 | $ 0
Intangible assets, net |  | 1,900,000
Core deposit intangible assets, amortization method | using the straight line method |
2024 | $ 1,400,000 |
Core Deposits |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | 15,400,000 | 15,300,000
Intangibles assets, accumulated amortization | 10,700,000 | 10,100,000
Remainder of fiscal 2022 | 689,000 |
2023 | 1,400,000 |
2025 | 831,000 |
Thereafter | 412,000 |
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 servicing rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, net | $ 1,900,000 |
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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