Significant Accounting Policies (Details)	1 Months Ended	3 Months Ended		12 Months Ended
	Nov. 30, 2016 USD ($) communities home_sites	Jan. 31, 2017 USD ($) luxury_homes	Jan. 31, 2016 USD ($)	Oct. 31, 2016 USD ($)	Nov. 07, 2016 USD ($) home_sites
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 85,183,000		$ 0
Number of Homes to be Delivered | luxury_homes		5,145
Sales Value of Outstanding Deliver Homes		$ 4,350,000,000
Coleman Holdings LLC [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 85,183,000
Number of home sites included in acquisition | home_sites	1,750
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
Business acquisition, number of selling communities | communities	15