Estimated title losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Balances at beginning of period	$ 528,269	$ 549,448
Provisions:
Current year	15,104	17,214
Previous policy years	2,279	460
Total provisions	17,383	17,674
Payments, net of recoveries:
Current year	(4,546)	(3,470)
Previous policy years	(18,269)	(30,001)
Total payments, net of recoveries	(22,815)	(33,471)
Effects of changes in foreign currency exchange rates	(3,608)	(236)
Balances at end of period	$ 519,229	$ 533,415
Loss ratios as a percentage of title operating revenues:
Current year provisions	3.80%	3.80%
Total provisions	3.90%	3.90%