Joint Ventures and Variable Interest Entities - Schedule of Equity in Earnings of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended
	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)