Income taxes - Schedule of income tax expense (benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Domestic	$ 932	$ 1,322	$ 2,281
Foreign	35,636	24,749	19,853
Total Current:	36,568	26,071	22,134
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Domestic deferred	(1,634)	2,708	(27)
Foreign deferred	(1,687)	(453)	(939)
Total Deferred	(3,321)	2,255	(966)
Income Tax Expense	$ 33,247	$ 28,326	$ 21,168