Leases - Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands |
Oct. 02, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Leases [Abstract] | ||
| Right-of-use assets | $ 9,970 | $ 14,654 |
| Current lease liabilities (recorded in other accrued liabilities) | 3,449 | 5,743 |
| Long-term lease liabilities (recorded in other non-current liabilities) | 7,553 | 9,811 |
| Total operating lease liabilities | $ 11,002 | $ 15,554 |
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:AccruedLiabilitiesCurrent | us-gaap:AccruedLiabilitiesCurrent |
| Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilitiesNoncurrent | us-gaap:OtherLiabilitiesNoncurrent |