Stock-Based Compensation - Summary of Stock-based Compensation (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Stock-based compensation expense | $ 1,682,565 | $ 476 | $ 771 |
| Research And Development Expense [Member] | |||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Stock-based compensation expense | 926,730 | 79 | 64 |
| General and Administrative [Member] | |||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Stock-based compensation expense | $ 755,835 | $ 397 | $ 707 |