Lennar Homebuilding Investments in Unconsolidated Entities (Balance Sheets) (Details) - Lennar Homebuilding - USD ($) $ in Thousands	May 31, 2017	Nov. 30, 2016
Assets:
Cash and cash equivalents	$ 393,507	$ 221,334
Inventories	3,979,975	3,889,795
Other assets	961,126	1,334,116
Total assets	5,334,608	5,445,245
Liabilities and equity:
Accounts payable and other liabilities	651,791	791,245
Debt	783,339	888,664
Equity	3,899,478	3,765,336
Total liabilities and equity	5,334,608	5,445,245
Debt issuance costs	$ 5,662	$ 4,186