Lennar Multifamily Segment (Condensed Financial Information by Equity Method Investments) (Details) $ in Thousands	3 Months Ended
	Feb. 28, 2018 USD ($) property	Feb. 28, 2017 USD ($) property	Nov. 30, 2017 USD ($)
Liabilities and equity:
Equity in earnings (loss) from unconsolidated entities	$ (2,431)	$ 12,335
Lennar Multifamily
Assets:
Cash and cash equivalents	33,666		$ 37,073
Operating properties and equipment	3,167,040		2,952,070
Other assets	31,431		36,772
Total assets	3,232,137		3,025,915
Liabilities and equity:
Accounts payable and other liabilities	211,429		212,123
Notes payable	959,563		879,047
Equity	2,061,145		1,934,745
Total liabilities and equity	3,232,137		3,025,915
Debt issuance cost	17,600		$ 17,600
Revenues	23,952	11,617
Costs and expenses	31,795	22,346
Other income (expense), net	7,307	50,539
Net loss of unconsolidated entities	(536)	39,810
Equity in earnings (loss) from unconsolidated entities	2,742	23,147
Gain on disposition of assets	$ 4,100	$ 26,000
Number of operating properties sold | property	1	2
General Contractor Revenue	$ 81,700	$ 75,700
General Contractor Costs	78,600	73,700
Equity Method Investee | Lennar Multifamily
Segment Reporting Information [Line Items]
Management Fees Revenue	$ 11,500	$ 13,000