Note 19 - 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, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Total Losses	$ (100)	$ 0	$ (1,100)	$ (2,100)
Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Pre-Impairment Amount	1,218		5,124	11,170
Total Losses	(118)		(1,085)	(2,117)
Fair Value of Inventory	1,100		4,039	9,053
Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Pre-Impairment Amount			6,302
Total Losses			(43)
Fair Value of Inventory			$ 6,259