Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 559,508	$ 507,640	$ 1,430,102	$ 1,437,739
Title insurance premiums, Direct
Disaggregation of Revenue [Line Items]
Revenues	174,635	152,739	448,920	444,447
Title insurance premiums, Agency
Disaggregation of Revenue [Line Items]
Revenues	254,155	272,875	699,835	756,986
Escrow fees
Disaggregation of Revenue [Line Items]
Revenues	38,666	32,649	100,570	95,984
Search, abstract and valuation services
Disaggregation of Revenue [Line Items]
Revenues	20,922	24,105	63,109	71,006
Other revenues
Disaggregation of Revenue [Line Items]
Revenues	19,473	16,868	52,307	50,239
Operating revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 507,851	$ 499,236	$ 1,364,741	$ 1,418,662