Segment Reporting - Services Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total services revenue	$ 12,167	$ 10,892	$ 38,020	$ 33,673
Contract underwriting services
Segment Reporting Information [Line Items]
Total services revenue	244	266	763	886
Valuation
Segment Reporting Information [Line Items]
Total services revenue	3,292	3,405	11,853	10,168
Single family rental
Segment Reporting Information [Line Items]
Total services revenue	2,302	1,529	7,030	5,583
Asset management technology platform
Segment Reporting Information [Line Items]
Total services revenue	1,193	1,199	3,616	3,574
Real estate owned asset management
Segment Reporting Information [Line Items]
Total services revenue	1,082	887	3,331	2,687
Other real estate services
Segment Reporting Information [Line Items]
Total services revenue	7	26	16	27
Title
Segment Reporting Information [Line Items]
Total services revenue	3,427	2,964	9,540	8,751
Real Estate Technology
Segment Reporting Information [Line Items]
Total services revenue	$ 620	$ 616	$ 1,871	$ 1,997