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Business Combinations - Additional Information (Details) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 20, 2023 USD ($) loan | Feb. 25, 2022 USD ($) loan | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Dec. 15, 2021 USD ($)
Goodwill |  |  | $ 50,727,000 | $ 50,773,000 |  |
Citizens |  |  |  |  |  |
Identifiable intangible assets | $ 24,645,000 |  |  |  |  |
Goodwill | 23,438,000 |  |  |  |  |
Goodwill tax deductible | 0 |  |  |  |  |
Loan portfolio | 461,500,000 |  |  |  |  |
Fair value discount | 14,100,000 |  |  |  |  |
Fair value | 419,500,000 |  |  |  |  |
Gross | $ 520,000,000.0 |  |  |  |  |
Number of PCD loans identified | loan | 48 |  |  |  |  |
PCD loans | $ 27,481,000 |  |  |  |  |
Citizens | Noninterest expense |  |  |  |  |  |
Third-party acquisition-related costs incurred |  |  | $ 95,000 | $ 4,900,000 |  |
Citizens | Core Deposits |  |  |  |  |  |
Identifiable intangible assets | $ 22,100,000 |  |  |  |  |
Acquired intangible assets useful life (in years) | 10 years |  |  |  |  |
Citizens | Acquired trust and wealth management |  |  |  |  |  |
Identifiable intangible assets | $ 2,600,000 |  |  |  |  |
Acquired intangible assets useful life (in years) | 10 years |  |  |  |  |
Fortune |  |  |  |  |  |
Identifiable intangible assets |  | $ 1,602,000 |  |  |  |
Goodwill |  | 12,756,000 |  |  |  |
Goodwill tax deductible |  | 0 |  |  |  |
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed, Financial Statement Caption |  |  | noninterest expense | noninterest expense |  |
Loan portfolio |  | 204,100,000 |  |  |  |
Fair value discount |  | 2,100,000 |  |  |  |
Fair value |  | 187,000,000.0 |  |  |  |
Gross |  | $ 211,000,000.0 |  |  |  |
Number of PCD loans identified | loan |  | 31 |  |  |  |
PCD loans |  | $ 15,055,000 |  |  |  |
Fortune | Noninterest expense |  |  |  |  |  |
Third-party acquisition-related costs incurred |  |  | $ 0 | $ 45,000 | $ 1,400,000 |
Fortune | Core Deposits |  |  |  |  |  |
Identifiable intangible assets |  | $ 1,600,000 |  |  |  |
Acquired intangible assets useful life (in years) |  | 7 years |  |  |  |
First National Bank, Cairo |  |  |  |  |  |
Identifiable intangible assets |  |  |  |  |  | $ 168,000
Goodwill |  |  |  |  |  | $ 442,000
Third-party acquisition-related costs incurred |  |  | $ 0 | $ 0 | $ 50,000 |

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