Income taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Contingency [Line Items]
Cumulative unremitted earnings, non-permanently reinvested	$ 1,400,000
Cumulative unremitted earnings, permanently reinvested	$ 300,000
Effective income tax rate, total	17.60%	18.60%	13.30%
Realized net benefit as result of reducing our reserves with respect to uncertain tax positions	$ 2,300	$ 2,000	$ 800
Tax effect, carry forwards	114,100
Deferred tax assets, valuation allowance	95,747	91,531
Unrecognized tax benefits that would impact effective tax rate	1,300
Unrecognized tax benefits, interest (benefit) expense	100	200	200
Unrecognized tax benefits, penalties	(600)	(200)	$ (300)
Unrecognized tax benefits, interest (benefit) expense accrued	400	600
Unrecognized tax benefits, penalties accrued	1,000	$ 1,500
Minimum
Income Tax Contingency [Line Items]
Unrecognized tax benefits change within next twelve months due to potential for resolution of foreign and U.S. examinations	0
Maximum
Income Tax Contingency [Line Items]
Unrecognized tax benefits change within next twelve months due to potential for resolution of foreign and U.S. examinations	700
No Expiration Date
Income Tax Contingency [Line Items]
Tax effect, carry forwards	21,200
After 2020 but before the end of 2025
Income Tax Contingency [Line Items]
Tax effect, carry forwards	6,600
After 2025
Income Tax Contingency [Line Items]
Tax effect, carry forwards	$ 86,300