Financial Instruments and Fair Value Disclosures - (Fair Value Assets Measured On Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring - Level 3 - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Rialto
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Impaired loans receivable, carrying value	$ 4	$ 56,010	$ 31,554	$ 63,627
Impaired loans receivable, fair value	0	51,628	18,885	56,906
Impaired loans receivable, total gains (losses)	(4)	(4,382)	(12,669)	(6,721)
FDIC Portfolios loans held-for-sale, carrying value	29,030	0	29,030	0
FDIC Portfolios loans held-for-sale, fair value	23,812	0	23,812	0
FDIC Portfolios loans held-for-sale, Total gains (losses)	(5,218)	0	(5,218)	0
REO, net: Upon acquisition/transfer, carrying value	21,429	15,470	30,303	33,436
REO, net: Upon acquisition/transfer, fair value	20,271	14,809	28,690	35,492
REO, net: Upon acquisition/transfer, total gains (losses)	(1,158)	(661)	(1,613)	2,056
REO, net: Upon management periodic valuation, carrying value	50,075	19,719	84,330	39,238
REO, net: Upon management periodic valuation, fair value	36,250	14,983	58,176	31,632
REO, net: Upon management periodic valuation, total gains (losses)	(13,825)	(4,736)	(26,154)	(7,606)
Lennar Homebuilding
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Land and land under development, carrying value	6,771	1,855	6,771	5,682
Land and land under development, fair value	3,094	1,500	3,094	4,925
Land and land under development, total gains (losses)	(3,677)	(355)	(3,677)	(757)
Inventory, Homes under Construction and Finished Homes, Fair Value Measurement Adjustments, Before Impairment	6,659	0	6,659	0
Inventory, Homes under Construction and Finished Homes, Fair Value Measurement Adjustments, After Impairment	2,745	0	2,745	0
Inventory Write-Down, Homes Under Construction and Finished Homes	$ (3,914)	$ 0	$ (3,914)	$ 0