Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Operating revenues	$ 538,136	$ 849,239	$ 1,057,617	$ 1,694,447
Direct
Disaggregation of Revenue [Line Items]
Operating revenues	170,677	231,721	301,494	437,283
Agency
Disaggregation of Revenue [Line Items]
Operating revenues	208,755	409,931	457,775	814,076
Escrow fees
Disaggregation of Revenue [Line Items]
Operating revenues	42,323	61,497	75,250	117,289
Real estate solutions and abstract fees
Disaggregation of Revenue [Line Items]
Operating revenues	89,811	104,213	166,971	213,015
Other revenues
Disaggregation of Revenue [Line Items]
Operating revenues	$ 26,570	$ 41,877	$ 56,127	$ 112,784