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Employee Benefit Plans (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2022
Retirement Benefits [Abstract] |  |  |  |
Defined Contribution Plan, Cost | $ 5,309 | $ 4,494 | $ 3,386 |
Defined Benefit Plan, Funded Percentage |  |  |  | 90.93%
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Funded Percentage |  |  |  | 90.93%

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