Joint Ventures and Variable Interest Entities - Schedule of Equity in Earnings of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Joint Ventures and Variable Interest Entities [Line Items] | ||||
| Total | $ 4,512 | $ 5,290 | $ 23,461 | $ 21,707 |
| Unconsolidated Joint Ventures | ||||
| Joint Ventures and Variable Interest Entities [Line Items] | ||||
| Total | 23,500 | 21,700 | ||
| Unconsolidated Joint Ventures | Pass-through joint ventures | ||||
| Joint Ventures and Variable Interest Entities [Line Items] | ||||
| Total | 21,900 | 21,600 | ||
| Unconsolidated Joint Ventures | Other joint ventures | ||||
| Joint Ventures and Variable Interest Entities [Line Items] | ||||
| Total | $ 1,600 | $ 100 | ||