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Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jan. 31, 2023 | Aug. 31, 2021 | Sep. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2023 | Sep. 30, 2022
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Proceeds from issuance of common stock in at the market offering, net of issuance costs |  |  |  |  | $ 119,248,000 | $ 52,845,000
Common stock |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Maximum aggregate offering price | $ 250,000,000 |  |  |  |  |
2021 Open Market Sales Agreement |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Commission on sale of stock per agreement (as percent) |  | 3.00% |  |  |  |
Total of gross proceeds |  |  |  | $ 150,000,000 |  |
Issuance of common stock in at the market offering (in shares) |  |  |  | 15.5 |  |
Proceeds from issuance of common stock in at the market offering, net of issuance costs |  |  |  | $ 51,900,000 |  |
2021 Open Market Sales Agreement | Common stock |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Maximum aggregate offering price |  | $ 150,000,000 |  |  |  |
2023 Open Market Sales Agreement |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Commission on sale of stock per agreement (as percent) | 3.00% |  |  |  |  |
Issuance of common stock in at the market offering (in shares) |  |  | 13.8 |  | 16.8 |
Proceeds from issuance of common stock in at the market offering, net of issuance costs |  |  | $ 58,400,000 |  | $ 70,000,000 |
Weighted-average sales price per share (in dollars per share) |  |  | $ 4.24 |  | $ 4.17 |
2023 Open Market Sales Agreement | Common stock |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Maximum aggregate offering price | $ 150,000,000 |  |  |  |  |

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