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v3.25.3

Operating Leases - Narrative (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2025 USD ($) model_home | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($)
Leases [Line Items] |  |  |
Operating lease expense | $ 4,700 | $ 4,400 | $ 4,000
Operating lease payments | 4,600 | 4,200 | 4,300
Gain on sale leaseback transaction | 8,799 | 0 | $ 0
Operating lease right-of-use assets | 34,987 | 18,356 |
Operating lease liabilities | $ 27,762 | $ 19,778 |
Model Homes |  |  |
Leases [Line Items] |  |  |
Number of model homes sold | model_home | 83 |  |
Revenue under sale-leaseback transaction | $ 45,000 |  |
Home construction expense on sale-leaseback transaction | 38,300 |  |
Cash proceeds from sale leaseback transaction | 36,200 |  |
Gain on sale leaseback transaction | 8,800 |  |
Operating lease right-of-use assets | 16,500 |  |
Operating lease liabilities | $ 7,700 |  |
Minimum | Model Homes |  |  |
Leases [Line Items] |  |  |
Term of sale-leaseback (in months) | 12 months |  |
Maximum | Model Homes |  |  |
Leases [Line Items] |  |  |
Term of sale-leaseback (in months) | 54 months |  |

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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