Fair Value Measurements - Change in the warrant liabilities (Details) - Warrant liabilities $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2021
USD ($)
| |
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |
| Fair value as of December 31, 2020 | $ 28,708 |
| Exercises | (5,624) |
| Change in fair value | 2,339 |
| Fair value as of December 31, 2021 | $ 25,423 |