Operating and Reporting Segments - Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Segment Reporting Information [Line Items] | ||||
| Lennar Other gains (losses) from technology investments | $ (53,335) | $ 99,223 | $ (61,749) | $ 7,280 |
| Lennar Other | ||||
| Segment Reporting Information [Line Items] | ||||
| Lennar Other gains (losses) from technology investments | (53,335) | 99,223 | (61,749) | 7,280 |
| Lennar Other | Operating Segments | ||||
| Segment Reporting Information [Line Items] | ||||
| Lennar Other gains (losses) from technology investments | $ (53,300) | $ 99,200 | $ (61,700) | $ 7,300 |