Investments in Unconsolidated Joint Ventures (Information for Investments in Unconsolidated Joint Ventures) (Details) $ in Thousands	6 Months Ended
May 31, 2019 USD ($) lot joint_venture	Nov. 30, 2018 USD ($) lot joint_venture
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures	6	6
Investments in unconsolidated joint ventures \| $	$ 56,446	$ 61,960
Number of Unconsolidated Joint Venture Lots Controlled Under Land Option Contracts \| lot	17	36
Number of Units in Real Estate Property \| lot	17
Long-term Purchase, Commitment, Amount \| $	$ 8,000
Investments in Unconsolidated Joint Ventures with Debt [Member]
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures	1	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

Long-Term Purchase Commitment, Lots

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Number of investments in unconsolidated joint ventures.

+ References

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- Definition

Number of Unconsolidated Joint Venture Lots Controlled Under Land Option Contracts

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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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