Inventory (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Homes for sale		$ 4,383	$ 36,982
Homes not available for sale		426	3,163
Homes under improvement		4,628	34,445
Inventory	$ 74,590	9,437	74,590
Lower of cost or net realizable value write-downs		$ 151	$ 143
Inventory, Current [Roll Forward]
Inventory as of January 1, 2020	74,590
Purchases and capitalized improvements to inventory	74,757
Relief of inventory to cost of revenue	(139,902)
Lower of cost or net realizable value write-downs, net	(8)
Inventory as of June 30, 2020	$ 9,437