Income taxes - Additional Information (Details) $ in Millions	Dec. 31, 2023 USD ($)
Income Tax Disclosure [Abstract]
U.S. federal NOL carryforward from an acquisition in 2021 with no expiration	$ 17.7
Foreign tax credit carryforwards with expiration	$ 8.9

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

No definition available.

Name:	us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant