Note 20 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Total Losses	$ 0	$ (1,200)	$ 0	$ (2,000)
Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Pre-Impairment Amount		9,236		11,522
Total Losses		(1,166)		(2,009)
Fair Value of Inventory		8,070		9,513
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		0
Total Losses		0		0
Fair Value of Inventory		$ 0		$ 0