Fair Value Measurements - Schedule of Changes in Fair Value of Warrants (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Warrants and Rights Outstanding [Roll Forward]
Beginning balance	$ 50,467
Change in fair value of warrant liability	1,200	$ 33,599
Ending balance	49,267
Public Warrants
Warrants and Rights Outstanding [Roll Forward]
Beginning balance	30,667
Change in fair value of warrant liability	(667)
Ending balance	30,000
Private Placement
Warrants and Rights Outstanding [Roll Forward]
Beginning balance	19,800
Change in fair value of warrant liability	(533)
Ending balance	$ 19,267