Financial Instruments and Fair Value Disclosures - (Fair Value Assets Measured On Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring - Level 3 - Homebuilding - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Finished homes and construction in progress, carrying value	$ 15,358	$ 442
Finished homes and construction in progress, fair value	13,841	0
Finished homes and construction in progress, total losses, net	(1,517)	(442)
Land and land under development, carrying value	20,752	2,543
Land and land under development, fair value	10,760	2,350
Land and land under development, total losses, net	$ (9,992)	$ (193)