Fair Value Measurements - Changes in fair value of warrant derivative liability (Details) - Level 3 |
3 Months Ended |
|---|---|
|
Mar. 31, 2021
USD ($)
| |
| Fair Value Measurements | |
| December 31, 2020 | $ 0 |
| Transfer into Level 3 | 18,720,000 |
| Loss on derivative liability | 960,000 |
| Ending Balance | $ 19,680,000 |