Inventory (Details 1) $ in Thousands	Oct. 31, 2019 USD ($) communities	Oct. 31, 2018 USD ($) communities	Oct. 31, 2017 USD ($) communities
Operating communities [Member]
Temporarily Closed communities
Number of Communities | communities	1	1	6
Carrying Value | $	$ 2,871	$ 2,622	$ 26,749
Land Owned for Future Communities [Member]
Temporarily Closed communities
Number of Communities | communities	16	17	14
Carrying Value | $	$ 120,857	$ 124,426	$ 110,732