Commitments and contingencies - Schedule of Assets and Liabilities, Lessee (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Other Commitments [Line Items]
Operating lease assets	$ 15,238	$ 16,690
Operating lease liabilities- current	3,957	3,552
Operating lease liabilities- noncurrent	12,489	14,355
Total operating lease liabilities	16,446	17,907
Property, plant and equipment - net (finance leases)	15,066	128
Finance lease liabilities - current	715	55
Finance lease liabilities - noncurrent	10,772	76
Total financing lease liabilities	$ 11,487	$ 131
Operating lease, weighted average remaining lease term (years)	4 years 4 months 24 days	4 years 9 months 18 days
Finance leases, weighted average remaining lease term (years)	9 years 9 months 18 days	2 years 4 months 24 days
Weighted average discount rate for operating leases (in percent)	4.60%	4.80%
Finance lease, weighted average discount rate (in percent)	8.10%	3.30%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Discontinued Operations, Held-for-sale
Other Commitments [Line Items]
Operating lease liabilities- current		$ 176
Operating lease liabilities- noncurrent		442
Discontinued Operations, Held-for-sale | CartiHeal Ltd
Other Commitments [Line Items]
Operating lease assets		$ 618