Commitments and Contingencies - Repurchase Reserve Activity (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Continuing operations repurchase reserve activity
Beginning balance	$ 8,969	$ 7,657
Provision for repurchases	5,009	5,487
Settlements	(3,936)	(4,175)
Total repurchase reserve	$ 10,042	$ 8,969