Investments in Unconsolidated Entities (Details of Multifamily Unconsolidated Entities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024
Schedule of Equity Method Investments [Line Items]
Distributions of earnings from unconsolidated entities	$ 11,586	$ 8,422
Multifamily | LMV I
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	114,067
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	13,950
Multifamily | LMV II
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	224,072
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	$ 770