Stock-Based Compensation - Summary of Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 27, 2020	Dec. 29, 2019
Options
Options Outstanding at September 27, 2020 (in shares)	1,050,000	0
Granted (in shares)	1,075,000
Forfeited (in shares)	(25,000)
Options, Vested or expected to vest at September 27, 2020 (in shares)	1,050,000
Options, Options exercisable at September 27,2020 (in shares)	0
Weighted Average Exercise Price
Granted (in dollars per share)	$ 7.12
Forfeited (in dollars per share)	7.12
Options Outstanding at September 27, 2020 (in dollars per share)	7.12
Vested or expected to vest at September 27, 2020 (in dollars per share)	$ 7.12
Average Remaining Contractual Life
Options Outstanding at September 27, 2020	6 years 10 months 24 days
Vested or expected to vest at September 27, 2020	6 years 10 months 24 days
Aggregate Intrinsic Value
Options Outstanding at September 27, 2020	$ 0
Vested or expected to vest at September 27, 2020	$ 0