Investments in Unconsolidated Entities (Details of Multifamily Unconsolidated Entities) (Details) - USD ($) $ in Thousands	6 Months Ended
	May 31, 2020	May 31, 2019	Nov. 30, 2019
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	$ 2,045,458		$ 1,973,913
Distributions to Lennar during the six months ended May 31, 2020	38,000	$ 4,037
Multifamily | LMV I
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	355,136
Equity commitments	2,204,016
Equity commitments called	2,127,560
Lennar's equity commitments	504,016
Lennar's equity commitments called	493,730
Lennar's remaining commitments	10,286
Distributions to Lennar during the six months ended May 31, 2020	19,969
Multifamily | LMV II
Schedule of Equity Method Investments [Line Items]
Lennar's carrying value of investments	213,635
Equity commitments	1,257,700
Equity commitments called	754,177
Lennar's equity commitments	381,000
Lennar's equity commitments called	227,372
Lennar's remaining commitments	153,628
Distributions to Lennar during the six months ended May 31, 2020	$ 0