Operating and Reporting Segments - Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
|
| Segment Reporting Information [Line Items] | ||
| Lennar Other gains (losses) from technology investments | $ 14,838 | $ (62,503) |
| Lennar Other | ||
| Segment Reporting Information [Line Items] | ||
| Lennar Other gains (losses) from technology investments | 14,838 | (62,503) |
| Lennar Other | Operating Segments | ||
| Segment Reporting Information [Line Items] | ||
| Lennar Other gains (losses) from technology investments | $ 14,838 | $ (62,503) |