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Related Party Transactions (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Apr. 01, 2021 | Mar. 31, 2021 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Jun. 25, 2018
Related Party Transaction [Line Items] |  |  |  |  |  |
Percent of tax benefits payable to continuing equity owners |  |  |  |  |  | 85.00%
Revenue |  |  | $ 370,239 | $ 317,862 | $ 224,124 |
Axia Med |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Increase in fair value |  | $ 2,353 |  |  |  |
Proceeds from sale of investment | $ 2,453 |  |  |  |  |
Axia Med | Affiliated Entity |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Revenue |  |  |  |  | $ 117 |
Class B Common Stock | Continuing Equity Owner |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Tax benefits due to continuing equity owners |  |  | $ 40,079 |  |  |

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