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Financial Instruments and Fair Value Disclosures - (Communities with Indicators for Impairment) (Details)
$ in Thousands
 6 Months Ended
May 31, 2023
USD ($)
community
May 31, 2022
USD ($)
community
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Active communities 1,256 1,218
Number of Communities with potential indicator of impairment 34 6
Number of communities with valuation adjustments 5 0
Valuation adjustments | $ $ 12,247 $ 0
Level 3    
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]    
Fair value of communities with valuation adjustments | $ $ 42,408 $ 0