Related Party Transactions - Summary of Rental Payments Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018
Beacon Investment Corporation [Member]
Related Party Transaction [Line Items]
Rental payments related to leases	$ 1,132	$ 1,110	$ 3,393	$ 3,346
HLP, SPC & Adjacent Sales Facility [Member]
Related Party Transaction [Line Items]
Rental payments related to leases	$ 1,080	$ 1,049	$ 3,241	$ 3,147