Property and Equipment, Net (Details) - USD ($) $ in Thousands	Feb. 28, 2021	Nov. 30, 2020
Property, Plant and Equipment [Abstract]
Computer software and equipment	$ 35,182	$ 32,902
Model furnishings and sales office improvements	84,946	83,882
Leasehold improvements, office furniture and equipment	17,310	17,245
Subtotal	137,438	134,029
Less accumulated depreciation	(69,880)	(68,482)
Total	$ 67,558	$ 65,547