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Joint Ventures and Variable Interest Entities - Equity in Earnings (Details) - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Financial Information |  |
Equity in (losses) earnings of joint ventures | $ (28,941) | $ 9,829
Unconsolidated joint ventures |  |
Financial Information |  |
Equity in (losses) earnings of joint ventures | (28,900) | 9,800
Unconsolidated joint ventures | Pass-through joint ventures |  |
Financial Information |  |
Equity in (losses) earnings of joint ventures | 7,900 | 4,200
Unconsolidated joint ventures | Other joint ventures |  |
Financial Information |  |
Equity in (losses) earnings of joint ventures | $ (36,800) | $ 5,600

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