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Operating and Reporting Segments - Unrealized Gain (Loss) on Investments (Details) - Lennar Other - Operating Segments - USD ($) $ in Thousands | 3 Months Ended
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Feb. 28, 2023 | Feb. 28, 2022
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | $ (23,954) | $ (395,170)
Blend Labs |  |
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | 586 | (7,442)
Hippo |  |
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | 6,632 | (124,457)
Opendoor |  |
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | (7,691) | (143,361)
SmartRent |  |
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | 1,305 | (44,363)
Sonder |  |
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | (320) | (506)
Sunnova |  |
Segment Reporting Information [Line Items] |  |
Lennar Other unrealized loss from technology investments | $ (24,466) | $ (75,041)

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- Definition Amount of unrealized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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