Owned Inventory - Summary of Interests in Lot Option Agreements (Details) - Unconsolidated lot option agreements - USD ($) $ in Thousands |
Dec. 31, 2021 |
Sep. 30, 2021 |
---|---|---|
Real Estate Properties [Line Items] | ||
Deposits & Non-refundable Pre-acquisition Costs Incurred (a) | $ 121,581 | $ 114,688 |
Remaining Obligation, Net of Deposits | $ 715,350 | $ 676,149 |