Investments in Unconsolidated Joint Ventures (Financial Information for Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended
		Feb. 28, 2019	Feb. 28, 2018	Nov. 30, 2018
Statements of operations of unconsolidated joint venture
Revenues		$ 12,192	$ 8,797
Construction and land costs		(12,220)	(8,816)
Other expense, net		(628)	(1,372)
Loss		(656)	$ (1,391)
Assets
Cash		16,598		$ 18,567
Inventories		127,377		131,074
Other assets		446		530
Total assets		144,421		150,171
Liabilities and equity
Accounts payable and other liabilities		11,254		11,374
Notes payable	[1]	22,045		17,956
Equity		111,122		120,841
Total liabilities and equity		$ 144,421		$ 150,171

[1] As of February 28, 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 February 28, 2019 is scheduled to mature in February 2020. None of our other unconsolidated joint ventures had outstanding debt at February 28, 2019 or November 30, 2018.