Segment Reporting - Service Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	$ 92,216	$ 125,825	$ 105,385
Title
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	18,687	40,202	23,265
Valuation
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	30,002	28,590	17,986
Single-family rental
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	24,387	27,291	17,159
REO asset management
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	3,091	2,370	5,518
Other real estate services
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	115	144	2,479
Asset management workflow platform
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	4,814	5,535	7,998
Other technology services
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	3,730	3,869	3,763
Mortgage
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	7,390	17,670	14,682
All Other
Segment Reporting, Revenue Reconciling Item [Line Items]
Services revenue	$ 0	$ 154	$ 12,535