Inventory (Details 1) $ in Thousands	Oct. 31, 2020 USD ($) numberOfCommunities	Oct. 31, 2019 USD ($) numberOfCommunities	Oct. 31, 2018 USD ($) numberOfCommunities
Operating communities [Member]
Temporarily Closed communities
Number of Communities | numberOfCommunities	4	1	1
Carrying Value | $	$ 32,112	$ 2,871	$ 2,622
Land Owned for Future Communities [Member]
Temporarily Closed communities
Number of Communities | numberOfCommunities	10	16	17
Carrying Value | $	$ 68,064	$ 120,857	$ 124,426