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Stockholders' Equity - Additional Information (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2021 | Jun. 30, 2021
Class Of Stock [Line Items] |  |  |
Shares of common stock issued pursuant to exercise of stock options |  |  | 357,839
Proceeds from stock options exercised |  |  | $ 5,500,000
Total unrecognized compensation cost related to non-vested, stock-based payment awards |  | $ 97,600,000 | $ 97,600,000
Total unrecognized compensation cost, expect to recognize over weighted average period |  |  | 2 years 7 months 6 days
Restricted Stock Units |  |  |
Class Of Stock [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, award vesting period |  |  | 4 years
Pre-funded Warrants |  |  |
Class Of Stock [Line Items] |  |  |
Class of warrant or right, number of securities called by warrants or rights | 600,000 |  |
Class of warrant or right, exercise price of warrants or rights | $ 0.01 |  |
Class of warrant or right, expiration date | Jun. 30, 2021 |  |
Class of warrant or right, exercised during period |  | 195,574,000 |
Stock issued during period, shares, warrants exercised |  | 195,461,000 |
Proceeds from issuance of warrants |  | $ 0 |
Class of warrant or right, outstanding |  | 0 | 0

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