Leases - Supplemental Balance Sheet Information Related to Finance Leases (Details) $ in Thousands	Mar. 29, 2019 USD ($)
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 3,271
Less accumulated depreciation	826
Finance lease right-of-use assets, net	2,445
Finance lease liability	$ 1,814
Weighted-average remaining lease term (in years)	1 year 6 months
Weighted-average discount rate	6.63%
Machinery and Equipment
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 2,121
Furniture and Fixtures
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	1,123
Leasehold Improvements
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 27