Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 681,367	$ 445,774
Direct
Disaggregation of Revenue [Line Items]
Revenues	194,993	138,283
Agency
Disaggregation of Revenue [Line Items]
Revenues	345,932	242,030
Escrow fees
Disaggregation of Revenue [Line Items]
Revenues	56,649	33,086
Appraisal management, abstract and other ancillary services
Disaggregation of Revenue [Line Items]
Revenues	68,620	16,077
Other revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 15,173	$ 16,298