Segment Reporting - Services Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total services revenue	$ 13,265	$ 11,797	$ 25,853	$ 22,781
Contract underwriting services
Segment Reporting Information [Line Items]
Total services revenue	309	284	519	620
Valuation
Segment Reporting Information [Line Items]
Total services revenue	4,086	3,882	8,561	6,763
Single family rental
Segment Reporting Information [Line Items]
Total services revenue	2,368	1,619	4,728	4,054
Asset management technology platform
Segment Reporting Information [Line Items]
Total services revenue	1,223	1,209	2,423	2,375
Real estate owned asset management
Segment Reporting Information [Line Items]
Total services revenue	1,100	888	2,249	1,800
Other real estate services
Segment Reporting Information [Line Items]
Total services revenue	0	0	9	1
Title
Segment Reporting Information [Line Items]
Total services revenue	3,540	3,233	6,113	5,787
Real Estate Technology
Segment Reporting Information [Line Items]
Total services revenue	$ 639	$ 682	$ 1,251	$ 1,381