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Joint Ventures and Variable Interest Entities - Schedule of Equity in Earnings of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Joint Ventures and Variable Interest Entities [Line Items] |  |
Total | $ 9,553 | $ (28,941)
Unconsolidated Joint Ventures |  |
Joint Ventures and Variable Interest Entities [Line Items] |  |
Total | 9,600 | (28,900)
Unconsolidated Joint Ventures | Pass-through joint ventures |  |
Joint Ventures and Variable Interest Entities [Line Items] |  |
Total | 8,400 | 7,900
Unconsolidated Joint Ventures | Other joint ventures |  |
Joint Ventures and Variable Interest Entities [Line Items] |  |
Total | $ 1,200 | $ (36,800)

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