Investments in Unconsolidated Joint Ventures (Information for Investments in Unconsolidated Joint Ventures) (Details)	12 Months Ended
Nov. 30, 2021 joint_venture home	Nov. 30, 2020 joint_venture home	Nov. 30, 2019 joint_venture
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures \| joint_venture	6	5	5
Unconsolidated Joint Venture in California
Schedule of Equity Method Investments [Line Items]
Number of homes delivered \| home	10	99

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.

No definition available.

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