Inventory (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Schedule of inventory [Line Items]
Inventory Write-down	$ 14,214	$ 19,394	$ 15,245	$ 26,956
Land controlled for future communities [Member]
Schedule of inventory [Line Items]
Inventory Write-down	11,809	1,899	12,840	3,676
Land controlled for future communities [Member] | Mid-Atlantic [Member]
Schedule of inventory [Line Items]
Inventory Write-down	10,700		10,700
Land Owned for Future Communities [Member]
Schedule of inventory [Line Items]
Inventory Write-down	2,105		2,105
Operating communities [Member]
Schedule of inventory [Line Items]
Inventory Write-down	$ 300	$ 17,495	$ 300	$ 23,280