Financial Instruments and Fair Value Disclosures - (Communities with Indicators for Impairment) (Details) $ in Thousands	3 Months Ended
	Feb. 28, 2022 USD ($) community	Feb. 28, 2021 USD ($) community
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Active communities	1,199	1,158
Number of Communities with potential indicator of impairment	5	10
Number of communities with valuation adjustments	0	0
Valuation adjustments | $	$ 0	$ 0
Level 3
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Fair value of communities with valuation adjustments | $	$ 0	$ 0