Income taxes - Schedule of company's income before income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]
Domestic	$ (45,701)	$ (80,658)	$ (144,412)
Foreign	154,023	143,015	191,240
Income before income taxes	$ 108,322	$ 62,357	$ 46,828