Investments in Unconsolidated Entities (Details of Multifamily Unconsolidated Entities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Schedule of Equity Method Investments [Line Items]
Distributions of earnings from unconsolidated entities	$ 4,623	$ 4,822
Multifamily | LMV I
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	211,275
Equity commitments	2,204,016
Equity commitments called	2,154,328
Lennar's equity commitments	504,016
Lennar's equity commitments called	500,381
Lennar's remaining commitments (1)	3,635
Distributions of earnings from unconsolidated entities	0
Multifamily | LMV II
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	290,766
Equity commitments	1,257,700
Equity commitments called	1,141,649
Lennar's equity commitments	381,000
Lennar's equity commitments called	366,804
Lennar's remaining commitments (1)	14,196
Distributions of earnings from unconsolidated entities	$ 0