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Subordinated Debt (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2021 | Aug. 31, 2014 | Oct. 31, 2013 | Sep. 30, 2024 | Jun. 30, 2024 | Feb. 28, 2022
Subordinated debt |  |  |  | $ 23,169,000 | $ 23,156,000 |
Investment, carrying value |  |  |  | 516,900,000 | 474,700,000 |
Prepaid Expenses and Other Current Assets |  |  |  |  |  |
Investment, face amount |  |  |  | 505,000 |  |
Investment, carrying value |  |  |  | $ 468,000 | 467,000 |
Trust Preferred Securities |  |  |  |  |  |
Number of years after securities became redeemable |  |  |  | 5 years |  |
Interest rate (as a percent) |  |  |  | 7.95% |  |
Subordinated debt |  |  |  | $ 7,200,000 | 7,200,000 |
Ozarks Legacy Community Financial, Inc. |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 7.66% |  |
Less: common stock issued |  |  | $ 3,100,000 |  |  |
Ozarks Legacy Community Financial, Inc. | Reported Value Measurement |  |  |  |  |  |
Floating rate |  |  |  | $ 2,800,000 | 2,800,000 |
Peoples Service Company, Inc. |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 7.01% |  |
Floating rate |  | $ 6,500,000 |  |  |  |
Peoples Service Company, Inc. | Reported Value Measurement |  |  |  |  |  |
Floating rate |  |  |  | $ 5,500,000 | 5,600,000 |
Fortune | Subordinated notes Issued in May 2021 |  |  |  |  |  |
Interest rate (as a percent) | 4.50% |  |  |  |  |
Subordinated debt |  |  |  | $ 7,600,000 | $ 7,600,000 |
Instrument face amount |  |  |  |  |  | $ 7,500,000
Variable rate (as a percent) | 3.77% |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  |  |  | us-gaap:SecuredOvernightFinancingRateSofrMember |  |

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