Fair Value Measurements - Additional Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Sep. 25, 2020 |
|
| Level 3 [Member] | |||||
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | |||||
| Estimated fair value of convertible securities | $ 0 | $ 949,600,000 | $ 251,900,000 | ||
| Financial asset or liabilities transfer in and out | 0 | $ 0 | 0 | $ 0 | |
| Level 3 [Member] | 2020 Convertible Note [Member] | |||||
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | |||||
| Estimated fair value of convertible securities | $ 20,000,000 | ||||
| Estimated fair value and carrying value of convertible securities | 19,900,000 | $ 20,400,000 | |||
| Public and Private Placement Warrants [Member] | Warrants Payable [Member] | |||||
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | |||||
| Fair value of warrants | $ 62,000,000 | ||||