Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Lessee, Lease, Description [Line Items] | ||
| Right-of-use assets | $ 18,718 | $ 14,654 |
| Current lease liabilities (recorded in other accrued liabilities) | $ 6,245 | $ 5,743 |
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:AccruedLiabilitiesCurrent | us-gaap:AccruedLiabilitiesCurrent |
| Long-term lease liabilities (recorded in other non-current liabilities) | $ 13,970 | $ 9,811 |
| Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilitiesNoncurrent | us-gaap:OtherLiabilitiesNoncurrent |
| Total operating lease liabilities | $ 20,215 | |
| Other accrued liabilities | ||
| Lessee, Lease, Description [Line Items] | ||
| Current lease liabilities (recorded in other accrued liabilities) | 6,245 | |
| Other non-current liabilities | ||
| Lessee, Lease, Description [Line Items] | ||
| Long-term lease liabilities (recorded in other non-current liabilities) | $ 13,970 |