Receivables and prepaid expenses - Schedule of Receivables and prepaid expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Receivables And Prepaid Expenses [Abstract]
Advances to and receivables from suppliers	$ 3,843	$ 3,768
Government authorities	8,421	13,358
Prepaid expenses	4,711	3,963
Others	50	156
Receivables and prepaid expenses	$ 17,025	$ 21,245

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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