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v3.20.2

Inventory - Narrative (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 USD ($) numberOfContracts home Community lot | Jun. 30, 2019 USD ($) Community | Jun. 30, 2020 USD ($) home Community | Jun. 30, 2019 USD ($) Community | Sep. 30, 2019 USD ($) home
Real Estate Properties [Line Items] |  |  |  |  |
Number of substantially completed homes unsold | home | 183 |  | 183 |  | 238
Total value of substantially completed homes | $ | $ 61,700,000 |  | $ 61,700,000 |  | $ 82,200,000
Threshold number of homes below a minimum threshold of profitability | home |  |  | 10 |  |
Number of communities on watch list | 5 | 5 | 5 | 5 |
Lots held for sale | lot | 88 |  |  |  |
Impairment of land held for sale | $ | $ 1,257,000 | $ 0 | $ 1,257,000 | $ 38,588,000 |
Impairment charges, abandonments | $ | $ 1,009,000 | $ 0 | $ 1,009,000 | $ 0 |
Number of terminated land contracts under acquisition | numberOfContracts | 4 |  |  |  |
West Segment |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |
Number of communities on watch list | 2 | 3 | 2 | 3 |
Southeast Segment |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |
Number of communities on watch list | 3 | 1 | 3 | 1 |
East Segment |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |
Number of communities on watch list |  | 1 |  | 1 |
West And Southeast Segment [Member] |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |
Number of communities under development | 2 |  |  |  |

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