Debt - Summary of Future Principal Payments (Details) - SVB and WestRiver $ in Thousands |
Mar. 31, 2021
USD ($)
|
|---|---|
| Debt Instrument [Line Items] | |
| 2021 (remaining nine months) | $ 4,091 |
| 2022 | 5,455 |
| 2023 | 1,363 |
| Thereafter | 0 |
| Total principal payments | 10,909 |
| Less unamortized loan fees | (114) |
| Total term loan borrowings | $ 10,795 |