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Commitments and Contingencies - Operating Lease Liability (Details) - USD ($)
$ in Thousands
Oct. 02, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Accrued liabilities - current portion of operating leases $ 3,151 $ 2,994
Operating leases 11,516 $ 12,946
Operating lease liability $ 14,667  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accrued Liabilities, Current