Owned Inventory - Narrative (Details) |
3 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2022
USD ($)
home
|
Dec. 31, 2021
USD ($)
|
Sep. 30, 2022
USD ($)
home
|
|
| Inventory Disclosure [Abstract] | |||
| Number of homes under construction | home | 2,383 | 2,688 | |
| Number of homes under construction, spec homes | home | 840 | 887 | |
| Total, spec homes | $ 268,500,000 | $ 246,500,000 | |
| Number of homes under construction, in-process spec homes | home | 701 | 793 | |
| In-process spec homes | $ 211,600,000 | $ 208,700,000 | |
| Number of homes under construction, finished spec homes | home | 139 | 94 | |
| Finished spec homes | $ 56,900,000 | $ 37,800,000 | |
| Threshold number of homes below a minimum threshold of profitability | home | 10 | ||
| Impairment of projects in process | $ 0 | $ 0 | |
| Total impairment charges on land held for sale | 0 | 0 | |
| Total abandonments charges | $ 190,000 | $ 0 | |