Property and Equipment, Net - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 25, 2020
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 55,486	$ 45,860
Less: Accumulated depreciation	(32,883)	(25,652)
Property and equipment, net	22,603	20,208
Equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	13,422	11,422
Computers and software
Property, Plant and Equipment [Line Items]
Total property and equipment	22,438	20,490
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	3,609	3,240
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	11,505	8,673
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 4,512	$ 2,035