Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 516,105	$ 472,075	$ 956,005	$ 870,595
Title insurance premiums, Direct
Disaggregation of Revenue [Line Items]
Revenues	149,745	162,367	288,028	274,285
Title insurance premiums, Agency
Disaggregation of Revenue [Line Items]
Revenues	277,387	230,817	519,417	445,680
Escrow fees
Disaggregation of Revenue [Line Items]
Revenues	41,433	36,611	74,519	61,904
Search, abstract and valuation services
Disaggregation of Revenue [Line Items]
Revenues	22,829	19,248	38,906	42,187
Other revenues
Disaggregation of Revenue [Line Items]
Revenues	15,362	17,455	31,659	32,834
Operating revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 506,756	$ 466,498	$ 952,529	$ 856,890