Financial Instruments and Fair Value Disclosures - (Communities with Indicators for Impairment) (Details) $ in Thousands	9 Months Ended
Aug. 31, 2023 USD ($) community	Aug. 31, 2022 USD ($) community
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Active communities	1,247	1,182
Number of Communities with potential indicator of impairment	21	5
Number of communities with valuation adjustments	6	1
Valuation adjustments \| $	$ 18,844	$ 2,710
Level 3
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Fair value of communities with valuation adjustments \| $	$ 53,211	$ 8,815

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

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