Acquisition (Detail Textuals)	1 Months Ended	12 Months Ended
	Nov. 30, 2016 USD ($) communities home_sites	Oct. 31, 2016 USD ($) luxury_homes	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($) communities home_sites	Nov. 07, 2016 USD ($) home_sites	Feb. 04, 2014 USD ($) home_sites
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired				$ 1,489,116,000
Number of Homes to be Delivered | luxury_homes		4,685
Sales Value of Outstanding Deliver Homes		$ 3,980,000,000
Shapell [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition		Feb. 04, 2014
Business Acquisition, Name of Acquired Entity		Shapell Industries, Inc.
Business Acquisition, Date of Acquisition Agreement		Nov. 06, 2013
Number of home sites included in acquisition | home_sites				4,950
Business acquisition, number of selling communities | communities				11
Number of Homes to be Delivered | home_sites						126
Sales Value of Outstanding Deliver Homes						$ 105,300,000
Subsequent Event [Member] | Coleman Holdings LLC [Member]
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	Coleman Real Estate Holdings, LLC
Payments to Acquire Businesses, Net of Cash Acquired	$ 85,200,000
Number of home sites included in acquisition | home_sites	1,750
Business acquisition, number of selling communities | communities	15
Number of Homes to be Delivered | home_sites					128
Sales Value of Outstanding Deliver Homes					$ 38,800,000
Average Sales Price of Backlog					$ 303,000