Acquisition (Detail Textuals)	12 Months Ended
	Oct. 31, 2020 USD ($) home_sites luxury_homes	Oct. 31, 2019 USD ($) numberOfCommunities home_sites	Oct. 31, 2018 USD ($)	May 20, 2019 USD ($) home_sites
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 60,349,000	$ 162,373,000	$ 0
Number of Homes to be Delivered | luxury_homes	7,791
Sales Value of Outstanding Deliver Homes	$ 6,370,000,000
Sharp Residential [Member]
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity		Sharp Residential, LLC
Sabal Homes [Member]
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity		Sabal Homes LLC
Sharp Residential and Sabal Homes [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 162,400,000
Number of home sites included in acquisition | home_sites		2,550
Number of Homes to be Delivered | home_sites				204
Sales Value of Outstanding Deliver Homes				$ 96,100,000
Average Sales Price of Backlog				$ 471,100
Business acquisition, number of selling communities | numberOfCommunities		22
Thrive and Keller [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 79,200,000
Number of home sites included in acquisition | home_sites	1,100
Thrive Residential [Member]
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	The Thrive Group, LLC
Keller Homes [Member]
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	Keller Homes, Inc.