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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. 29, 2024	Feb. 28, 2023
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	$ (5,137)	$ (23,954)
Blend Labs
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	2,936	586
Hippo
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	16,449	6,632
Opendoor
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	1,315	(7,691)
SmartRent
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	(1,963)	1,305
Sonder
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	51	(320)
Sunnova
Segment Reporting Information [Line Items]
Lennar Other unrealized losses from technology investments	$ (23,925)	$ (24,466)

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- Definition

Amount of unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

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