| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | — | — | — | — | ||||||||||||
| Cost of closings | ||||||||||||||||
| Expense | ||||||||||||||||
| Gross profit | — | — | — | — | ||||||||||||
| % of revenue | — | — | — | — | ||||||||||||
| Earnings from financial services unconsolidated entities and other, net | ||||||||||||||||
| Commissions and other sales costs | ||||||||||||||||
| General and administrative expenses | ||||||||||||||||
| Interest expense | ||||||||||||||||
| Other income, net | ||||||||||||||||
| Earnings before income taxes | ||||||||||||||||
| Provision for income taxes | ||||||||||||||||
| Net earnings | ||||||||||||||||
| % of revenue | — | — | — | — | ||||||||||||
| Earnings per common share: | ||||||||||||||||
| Basic (in dollars per share) | ||||||||||||||||
| Diluted (in dollars per share) | ||||||||||||||||
| Weighted average number of shares: | ||||||||||||||||
| Common Stock, Dividends, Per Share, Declared | — |