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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 144,862	$ 102,068
Less: accumulated depreciation	(40,831)	(34,684)
Total property and equipment, net	$ 104,031	67,384
Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives	15 years
Total property and equipment	$ 73,589	40,694
Computer equipment and software
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Total property and equipment	$ 14,877	18,376
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Total property and equipment	$ 15,780	14,931
Laboratory equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Total property and equipment	$ 23,744	11,707
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 16,872	$ 16,360

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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