Investments in Unconsolidated Joint Ventures (Financial Information for Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018	Nov. 30, 2018
Statements of operations of unconsolidated joint venture
Revenues		$ 3,786	$ 7,827	$ 15,978	$ 16,624
Construction and land costs		(3,798)	(7,839)	(16,018)	(16,655)
Other expense, net		(610)	(611)	(1,238)	(1,983)
Loss		(622)	$ (623)	(1,278)	$ (2,014)
Assets
Cash		18,644		18,644		$ 18,567
Inventories		130,064		130,064		131,074
Other assets		404		404		530
Total assets		149,112		149,112		150,171
Liabilities and equity
Accounts payable and other liabilities		10,916		10,916		11,374
Notes payable	[1]	27,970		27,970		17,956
Equity		110,226		110,226		120,841
Total liabilities and equity		$ 149,112		$ 149,112		$ 150,171

[1] As of May 31, 2019 and November 30, 2018, one of our unconsolidated joint ventures had a construction loan agreement with a third-party lender to finance its land development activities, with the outstanding debt secured by the underlying property and related project assets and non-recourse to us. All of the outstanding secured debt at May 31, 2019 is scheduled to mature in February 2020. None of our other unconsolidated joint ventures had outstanding debt at May 31, 2019 or November 30, 2018.