Financial Instruments and Fair Value Disclosures - (Communities with Indicators for Impairment) (Details) $ in Thousands	6 Months Ended
	May 31, 2022 USD ($) community	May 31, 2021 USD ($) community
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Active communities	1,218	1,221
Number of Communities with potential indicator of impairment	6	10
Number of communities with valuation adjustments	0	1
Valuation adjustments | $	$ 0	$ 11,849
Level 3
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Fair value of communities with valuation adjustments | $	$ 0	$ 17,117