Goodwill and Intangible Assets - Other Identifiable Intangible Asets (Details) - USD ($) $ in Thousands |
Sep. 27, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Amortizing intangible assets | $ 19,900 | $ 10,500 |
| Accumulated Amortization | 4,102 | 1,999 |
| Non-amortizing intangible assets | 136 | 129 |
| Balance | $ 20,036 | $ 10,629 |