Earnings Per Share - Schedule of basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 26, 2021	Jun. 27, 2021	Mar. 28, 2021	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Sep. 26, 2021	Sep. 27, 2020
Numerator:
Net income	$ (30,200)	$ 23,098	$ (2,056)	$ 13,543	$ 12,509	$ 4,852	$ (9,158)	$ 30,904
Denominator:
Weighted average common shares	106,285,072			67,673,884			80,735,661	67,673,884
Dilutive effect of potential common shares	$ 0			$ 0			$ 0	$ 0
Weighted average common shares assuming dilution	106,285,072			67,673,884			80,735,661	67,673,884
Earnings Per Share, Basic and Diluted [Abstract]
Basic	$ (0.28)			$ 0.20			$ (0.11)	$ 0.46
Diluted	$ (0.28)			$ 0.20			$ (0.11)	$ 0.46