Lennar Multifamily (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 01, 2016	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015	Dec. 31, 2015	Nov. 30, 2015
Segment Reporting Information [Line Items]
Distributions of capital from unconsolidated entities				$ 103,009	$ 35,141
Lennar Multifamily
Segment Reporting Information [Line Items]
Non-recourse debt with completion guarantees		$ 578,700		578,700			$ 466,700
General contractor revenue		53,500	$ 35,100	84,900	67,000
General contractor costs		51,700	33,700	82,300	65,100
Investments in unconsolidated entities		304,171		304,171			250,876
Lennar Multifamily | Variable Interest Entity, Not Primary Beneficiary | Equity Commitments
Segment Reporting Information [Line Items]
Obligations related to VIEs		324,500		324,500			378,300
Lennar Multifamily | Lennar Multifamily Venture
Segment Reporting Information [Line Items]
Additional equity commitments during period				300,000		$ 1,100,000
Total equity commitments		1,400,000		1,400,000
Equity commitments		504,000		504,000
Equity commitments called		500,000		500,000
Funds contributed by the company		179,500		179,500
Equity commitments called during period				224,600
Equity commitment called				90,100
Distributions of capital from unconsolidated entities				43,600
Investments in unconsolidated entities		172,500		172,500			122,500
Lennar Multifamily | Lennar Multifamily Venture | Subsequent Event
Segment Reporting Information [Line Items]
Additional equity commitments during period	$ 550,000
Total equity commitments	$ 2,000,000
Lennar Multifamily | Unconsolidated entities
Segment Reporting Information [Line Items]
Fee income		9,300	$ 3,900	17,400	$ 8,400
Lennar Multifamily | Financial Letters of Credit
Segment Reporting Information [Line Items]
Letters of credit outstanding		$ 39,500		$ 39,500			$ 37,900