Investments in Unconsolidated Entities (Details of Multifamily Unconsolidated Entities) (Details) - USD ($) $ in Thousands	6 Months Ended
	May 31, 2024	May 31, 2023
Schedule of Equity Method Investments [Line Items]
Distributions of earnings from unconsolidated entities	$ 20,894	$ 16,657
Multifamily | LMV I
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	162,904
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	7,245
Multifamily | LMV II
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	255,908
Equity commitments	1,257,700
Equity commitments called	1,218,619
Lennar's equity commitments	381,000
Lennar's equity commitments called	368,170
Lennar's remaining commitments (1)	12,830
Distributions of earnings from unconsolidated entities	$ 208