Investments in Unconsolidated Joint Ventures (Information for Investments in Unconsolidated Joint Ventures) (Details) $ in Thousands		6 Months Ended
		May 31, 2016 USD ($) lot joint_venture	Nov. 30, 2015 USD ($) lot joint_venture
Schedule of Equity Method Investments [Line Items]
Number of Units in Real Estate Property | lot		132
Long-term Purchase, Commitment, Amount | $		$ 57,700
Number of investments in unconsolidated joint ventures		7	7
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $		$ 65,213	$ 71,558
Number of Unconsolidated Joint Venture Lots Controlled Under Land Option Contracts | lot		574	677
Equity Method Investments Summarized Financial Information Debt | $	[1]	$ 45,280	$ 39,064
Investments in Unconsolidated Joint Ventures with Debt
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures		1
Investments in Unconsolidated Joint Ventures with Purchase Commitments [Member]
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures		1
West Coast [Member] | Investments in Unconsolidated Joint Ventures with Debt
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures			1

[1] One of our unconsolidated joint ventures has a construction loan agreement with a third-party lender to finance its land development activities that is secured by the underlying property and related project assets. Outstanding debt under the agreement is non-recourse to us and is scheduled to mature in August 2018. None of our other unconsolidated joint ventures had outstanding debt at May 31, 2016 or November 30, 2015.