Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ (22,209)	$ (11,469)
Basic net income (loss) per share	$ (0.44)	$ (0.32)
Diluted	50,821,101	36,045,137
Diluted net income (loss) per share	$ (0.44)	$ (0.32)
Shares excluded from diluted net loss per share computations	10,664,054	10,307,431