Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 802,025	$ 506,756	$ 1,483,392	$ 952,529
Direct
Disaggregation of Revenue [Line Items]
Revenues	243,638	149,745	438,631	288,028
Agency
Disaggregation of Revenue [Line Items]
Revenues	390,330	277,387	736,261	519,417
Escrow fees
Disaggregation of Revenue [Line Items]
Revenues	63,534	41,433	120,183	74,519
Appraisal management, abstract and other ancillary services
Disaggregation of Revenue [Line Items]
Revenues	80,712	22,829	149,332	38,906
Other revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 23,811	$ 15,362	$ 38,985	$ 31,659