Basis of Presentation - Additional information (Details) - USD ($) $ in Thousands	Jun. 28, 2019	Jan. 01, 2019
Basis Of Presentation [Line Items]
Operating lease, right-of-use asset	$ 38,633
Operating lease liabilities	$ 40,333
ASU 2016-02
Basis Of Presentation [Line Items]
Operating lease, right-of-use asset		$ 35,300
Operating lease liabilities		$ 36,500