Lennar Multifamily Segment (Condensed Financial Information by Equity Method Investments) (Details) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Aug. 31, 2016 USD ($) property	Aug. 31, 2015 USD ($) property	May 31, 2015 USD ($)	Aug. 31, 2016 USD ($) property	Aug. 31, 2015 USD ($) property	Nov. 30, 2015 USD ($)
Liabilities and equity:
Equity in earnings (loss) from unconsolidated entities				$ 28,424	$ 70,679
Lennar Multifamily
Assets:
Cash and cash equivalents	$ 106,007			106,007		$ 39,579
Operating properties and equipment	2,007,129			2,007,129		1,398,244
Other assets	49,728			49,728		25,925
Total assets	2,162,864			2,162,864		1,463,748
Liabilities and equity:
Accounts payable and other liabilities	187,715			187,715		179,551
Notes payable	628,237			628,237		466,724
Equity	1,346,912			1,346,912		817,473
Total liabilities and equity	2,162,864			2,162,864		$ 1,463,748
Revenues	13,796	$ 4,067		31,759	9,236
Costs and expenses	24,611	7,174		50,341	15,249
Other income (expense), net	20,335	13,330		90,729	13,330
Net earnings (loss) of unconsolidated entities	9,520	10,223		72,147	7,317
Equity in earnings (loss) from unconsolidated entities	5,060	5,004		38,754	$ 4,404
Gain on disposition of assets	$ 8,000	$ 5,700	$ 5,700	$ 43,800
Number of operating properties sold | property	1	1		3	1