Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Operating revenues	$ 519,484	$ 845,209
Direct
Disaggregation of Revenue [Line Items]
Operating revenues	130,817	205,562
Agency
Disaggregation of Revenue [Line Items]
Operating revenues	249,021	404,145
Escrow fees
Disaggregation of Revenue [Line Items]
Operating revenues	32,927	55,792
Real estate solutions and abstract fees
Disaggregation of Revenue [Line Items]
Operating revenues	77,160	108,802
Other revenues
Disaggregation of Revenue [Line Items]
Operating revenues	$ 29,559	$ 70,908