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Stock-Based Compensation - Narrative (Details) - USD ($) |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
May 12, 2020 | May 15, 2018 | Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2023
Stock-Based Compensation |  |  |  |  |
Inducement stock options granted to new employees (in shares) |  |  |  | 899,330 |
Common stock options |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Unrecognized compensation expense related to unvested stock options |  |  | $ 168,600,000 | $ 168,600,000 |
Options outstanding (in shares) |  |  | 114,780 | 114,780 |
Unvested RS and RSUs |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Unrecognized compensation expense related to unvested RSU awards |  |  | $ 72,800,000 | $ 72,800,000 |
Performance Stock Units |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Options outstanding, nonvested (in shares) |  |  | 265,887 | 265,887 |
Unrecognized compensation expense |  |  | $ 10,400,000 | $ 10,400,000 |
Potential award payout |  |  | 250.00% |  |
Allocated share-based compensation expense |  |  |  | $ 0 | $ 0
Performance Stock Units | Minimum |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Potential award payout |  |  |  | 0.00% |
Performance Stock Units | Maximum |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Potential award payout |  |  |  | 250.00% |
2019 Incentive Plan |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Number of additional shares authorized (in shares) | 3,000,000 |  |  |  |
2019 Incentive Plan |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Shares available for grant (in shares) |  |  | 4,780,711 | 4,780,711 |
2018 ESPP |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Number of additional shares authorized (in shares) |  | 1,200,000 |  |  |
Shares of common stock, maximum authorized for issuance (in shares) |  | 1,000,000 |  |  |
Percentage of outstanding shares |  | 2.00% |  |  |

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