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Operating and Reporting Segments - Unrealized Gain (Loss) on Investments (Details) - Lennar Other - Operating Segments - USD ($) $ in Thousands	3 Months Ended
	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

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