Commitments and Contingencies Lease Costs (Details)	3 Months Ended
	Mar. 31, 2019 USD ($)
Lease Costs [Abstract]
Lease costs included in general and administrative expenses	$ 355
Lease costs included in real estate inventories	162
Lease costs included in selling and marketing expenses	17
Lease, Cost	534	[1]
Lease cash flows	490	[1]
Short-term Lease, Cost	300,000
Sublease Income	$ 49,000

[1] Does not include the cost of short-term leases with terms of less than one year which totaled approximately $0.3 million for the three months ended March 31, 2019 or the benefit from a sublease agreement of one of our office spaces which totaled approximately $49,000 for the three months ended March 31, 2019.