Business Acquisition - Purchase Price Consideration and Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 01, 2015	Dec. 31, 2016	Dec. 31, 2015
Assets
Goodwill		$ 19,285	$ 19,295
Bonterra Builders, LLC
Business Acquisitions
Cash payments to acquire businesses	$ 40,818
Debt repaid at closing	52,941
Total consideration	99,759	$ 3,300
Assets
Receivables and other current assets	574
Land and other inventories	91,632
Property, plant and equipment	14
Goodwill	13,223
Total assets acquired	107,443
Liabilities
Accounts payable	5,071
Accrued and other liabilities	763
Customer deposits	1,850
Total liabilities assumed	7,684
Total net assets acquired	99,759
Trade Name | Bonterra Builders, LLC
Assets
Intangibles	1,400
Non-compete intangible asset | Bonterra Builders, LLC
Assets
Intangibles	600
Earn-out | Bonterra Builders, LLC
Business Acquisitions
Liabilities incurred	$ 6,000