Commitments and Contingencies (Details) - USD ($) $ in Thousands	Jan. 31, 2021	Oct. 31, 2020
Company's land purchase commitments
Purchase Obligation	$ 2,752,846	$ 2,640,225
Land Purchase Commitment To Unrelated Party [Member]
Company's land purchase commitments
Purchase Obligation	2,744,059	2,630,128
Land Purchase Commitment To JV [Member]
Company's land purchase commitments
Purchase Obligation	8,787	10,097
Land Parcel Purchase Commitment [Member]
Company's land purchase commitments
Deposits against Aggregate Purchase Commitments	207,600	223,571
Additional cash required to acquire land	2,545,246	2,416,654
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses	$ 18,092	$ 19,590