Segment Reporting - Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net gains (losses) on investments and other financial instruments	$ (29,457)	$ (5,181)
Total revenues	292,980	328,813
Mortgage
Total revenues	284,446	303,797
homegenius
Total revenues	33,912	25,795
All Other revenues
Total revenues	4,161	4,461
Operating Segments | Mortgage and homegenius segments
Total revenues	318,358	329,592
Intersegment Eliminations
Total revenues	$ (82)	$ (59)