Stock-Based Compensation - Schedule of stock-based Compensation by Plan (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2021 |
Mar. 31, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
|
| Stock-Based Compensation | ||||||
| Stock based compensation expense | $ 5,884 | $ 507 | $ 29,361 | $ 1,541 | ||
| Secondary market transaction | ||||||
| Stock-Based Compensation | ||||||
| Stock based compensation expense | $ 1,900 | 1,933 | $ 1,600 | |||
| Employee earnout restricted stock | ||||||
| Stock-Based Compensation | ||||||
| Stock based compensation expense | 4,243 | 20,792 | ||||
| Employee awards | ||||||
| Stock-Based Compensation | ||||||
| Stock based compensation expense | $ 1,641 | $ 507 | $ 6,636 | $ 1,541 | ||
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|