Owned Inventory - Summary of Interests in Lot Option Agreements (Details) - Unconsolidated lot option agreements - USD ($) $ in Thousands |
Dec. 31, 2022 |
Sep. 30, 2022 |
|---|---|---|
| Real Estate Properties [Line Items] | ||
| Deposits & Non-refundable Pre-acquisition Costs Incurred | $ 150,878 | $ 142,433 |
| Remaining Obligation, Net of Cash Deposits | $ 820,807 | $ 827,600 |