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Derivative Financial Instruments - Schedule of Offsetting Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Sep. 30, 2021
--- | --- | ---
Derivative [Line Items] |  |
Net Amounts of Assets Presented in the Consolidated Balance Sheets | $ 2,392 | $ 5,363
Foreign Currency Forwards |  |
Derivative [Line Items] |  |
Options | 2,392 |
Gross Amounts Offset in the Consolidated Balance Sheets | 0 |
Net Amounts of Assets Presented in the Consolidated Balance Sheets | 2,392 |
Gross Amounts Not Offset in the Consolidated Balance Sheets, Financial Instruments | (1,572) |
Gross Amounts Not Offset in the Consolidated Balance Sheets, Cash Collateral Received | 0 |
Net Amount | $ 820 |

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