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Joint Ventures and Variable Interest Entities - Equity in Earnings (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Financial Information |  |  |  |
Equity in earnings (losses) of joint ventures | $ 19,459 | $ 7,456 | $ (9,482) | $ 17,285
Unconsolidated joint ventures |  |  |  |
Financial Information |  |  |  |
Equity in earnings (losses) of joint ventures |  |  | (9,500) | 17,300
Unconsolidated joint ventures | Pass-through joint ventures |  |  |  |
Financial Information |  |  |  |
Equity in earnings (losses) of joint ventures |  |  | 17,600 | 14,500
Unconsolidated joint ventures | Other joint ventures |  |  |  |
Financial Information |  |  |  |
Equity in earnings (losses) of joint ventures |  |  | $ (27,100) | $ 2,800

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