Commitments and Contingencies (Narrative) (Details)	6 Months Ended
	Jun. 30, 2016 USD ($) claim	Dec. 31, 2015 USD ($)
Operating Leased Assets [Line Items]
Loss contingency accruals	$ 0	$ 0
Loss Contingency, Pending Claims, Number | claim	0
Maximum [Member]
Operating Leased Assets [Line Items]
Estimated accrual amount per home closed	$ 1,500