Note 20 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Total Losses	$ 0	$ (800)
Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Pre-Impairment Amount		2,286
Total Losses		(843)
Fair Value of Inventory		1,443
Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Pre-Impairment Amount		0
Total Losses		0
Fair Value of Inventory		$ 0