Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 19,627
Right-of-use assets resulting from new operating lease liabilities	$ 3,500
Weighted average remaining lease term	3 years 7 months 6 days
Weighted average remaining discount rate	5.90%
ASU 2016-02
Lessee, Lease, Description [Line Items]
Right-of-use assets		$ 19,200
Minimum
Lessee, Lease, Description [Line Items]
Operating lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease terms	10 years