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Organization and Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | $ 1,395,000 | $ 1,771,000 | $ 1,672,000
Mortgage Servicing Rights | 1,900,000 | 1,100,000 |
2022 | 1,400,000 |  |
2023 | 1,400,000 |  |
2024 | 1,400,000 |  |
2025 | 807,000 |  |
2026 | 328,000 |  |
Thereafter | $ 0 |  |
Finite-Lived Intangible Assets, Amortization Method | using the straight line method |  |
Gross Core Deposit Intangibles |  | 15,300,000 |
Gross Core Deposit Intangibles Accumulated Amortization | $ 10,100,000 | 8,700,000 |
Gross Other Identifiable Intangibles | 3,800,000 | 3,800,000 |
Gross Other Identifiable Intangibles Accumulated Amortization | 3,800,000 | $ 3,800,000 |
Impairment of Intangible Assets, Finite-lived | 0 |  |
Goodwill, Impairment Loss | 0 |  |
Core Deposits |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets | $ 15,300,000 |  |
Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Core deposit intangible assets amortized period | 5 years |  |
Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Core deposit intangible assets amortized period | 7 years |  |

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- Definition The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 35 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121554622&loc=d3e15372-109273 + Details
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