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Financial Instruments and Fair Value Disclosures - (Communities with Indicators for Impairment) (Details)
$ in Thousands
 9 Months Ended
Aug. 31, 2024
USD ($)
community
Aug. 31, 2023
USD ($)
community
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Active communities 1,283 1,247
Number of Communities with potential indicator of impairment 24 21
Number of communities with valuation adjustments 4 6
Valuation adjustments | $ $ 15,263 $ 18,844
Level 3    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Fair value of communities with valuation adjustments | $ $ 25,769 $ 53,211