Investments in Unconsolidated Entities (Details of Multifamily Unconsolidated Entities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Schedule of Equity Method Investments [Line Items]
Distributions of earnings from unconsolidated entities	$ 4,822	$ 4,234
Multifamily | LMV I
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	244,454
Equity commitments	2,204,016
Equity commitments called	2,150,135
Lennar's equity commitments	504,016
Lennar's equity commitments called	499,216
Lennar's remaining commitments	4,800
Distributions of earnings from unconsolidated entities	8,732
Multifamily | LMV II
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	316,728
Equity commitments	1,257,700
Equity commitments called	1,204,235
Lennar's equity commitments	381,000
Lennar's equity commitments called	363,749
Lennar's remaining commitments	17,251
Distributions of earnings from unconsolidated entities	$ 3,735