Leases - Maturities of Lease Liabilities (Details) $ in Thousands |
Jun. 28, 2019
USD ($)
|
|---|---|
| Leases [Abstract] | |
| 2019 (excluding the six months ended June 28, 2019) | $ 7,143 |
| 2020 | 5,511 |
| 2021 | 2,076 |
| 2022 | 1,248 |
| 2023 | 1,282 |
| 2024 and beyond | 4,543 |
| Total lease payments | 21,803 |
| Less: Imputed interest | 3,033 |
| Total operating lease liabilities | $ 18,770 |