Leases - Minimum lease payments (Details) $ in Thousands |
Dec. 31, 2020
USD ($)
|
|---|---|
| Minimum lease payments | |
| 2021 | $ 8,962 |
| 2022 | 7,397 |
| 2023 | 7,390 |
| 2024 | 7,601 |
| 2025 | 7,818 |
| Thereafter | 14,241 |
| Payments due | 53,409 |
| Less: imputed interest | (11,702) |
| Operating lease liability | $ 41,707 |