Reserves for Claims Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Realized claim recoveries	$ 815	$ 1,900	$ 570
Provision rate for title insurance claims	2.40%	(0.20%)	2.40%
Minimum
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Large claim threshold	$ 500