Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Operating revenues	$ 717,615	$ 829,787	$ 2,412,062	$ 2,313,178
Direct
Disaggregation of Revenue [Line Items]
Operating revenues	209,477	248,738	646,760	687,369
Agency
Disaggregation of Revenue [Line Items]
Operating revenues	340,470	401,762	1,154,546	1,138,023
Escrow fees
Disaggregation of Revenue [Line Items]
Operating revenues	49,407	63,455	166,696	183,638
Real estate solutions and abstract fees
Disaggregation of Revenue [Line Items]
Operating revenues	89,519	85,345	302,534	234,677
Other revenues
Disaggregation of Revenue [Line Items]
Operating revenues	$ 28,742	$ 30,487	$ 141,526	$ 69,471