Related Party Transactions - Summary of Rental Payments Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018
Beacon Investment Corporation [Member]
Related Party Transaction [Line Items]
Rental payments related to leases	$ 1,110	$ 1,126
HLP, SPC & Adjacent Sales Facility [Member]
Related Party Transaction [Line Items]
Rental payments related to leases	$ 1,080	$ 1,049

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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