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Common Stock - Equity Offering (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 99 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 08, 2024 | Jan. 04, 2024 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 04, 2024 | Mar. 03, 2024 | Dec. 31, 2023
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from issuance of private placement |  |  |  |  | $ 430,900 |  |  |
Reclassification of future tranche right liability upon settlement |  |  |  |  |  | $ 4,800 |  |
Common stock, shares authorized (in shares) | 130,000,000 |  | 500,000,000 |  | 500,000,000 | 500,000,000 |  | 130,000,000
Change in fair value of the tranche rights |  |  | $ 4,796 | $ 0 |  |  |  |
Equity |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Change in fair value of the tranche rights |  |  | 4,000 |  |  |  |  |
Other Nonoperating Income (Expense) |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Change in fair value of the tranche rights |  |  | $ 1,700 |  |  |  |  |
Minimum |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  | 130,000,000 |  |
Maximum |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  | 500,000,000 |  |
Common Stock | Common Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Reclassification of future tranche right liability upon settlement | $ 23,600 |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  | 500,000,000 | 130,000,000 |
Private Placement | Common Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, price per share (in USD per share) |  | $ 0.0001 |  |  |  |  |  |
Private Placement | Common Stock | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from issuance of private placement | $ 80,000 |  |  |  |  |  |  |
Private Placement | Common Stock | Tranche 2 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from issuance of private placement |  | $ 80,000 |  |  |  |  |  |
Private Placement | Common Stock | Tranche 3 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from issuance of private placement |  | $ 80,000 |  |  |  |  |  |
Private Placement | Pre-funded stock warrants |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, price per share (in USD per share) |  | $ 0.0001 |  |  |  |  |  |
Private Placement | Accredited Investors |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Proceeds from issuance of private placement |  | $ 240,000 |  |  |  |  |  |
Private Placement | Accredited Investors | Common Stock | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, price per share (in USD per share) | $ 1.43 |  |  |  |  |  |  |
Consideration received on transaction | $ 80,000 |  |  |  |  |  |  |
Number of shares registered for resale | 55,944,850 |  |  |  |  |  |  |
Private Placement | Accredited Investors | Common Stock | Tranche 2 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, price per share (in USD per share) |  | $ 1.716 |  |  |  |  |  |
Consideration received on transaction |  | $ 80,000 |  |  |  |  |  |
Sale of stock, consideration received, percentage |  | 120.00% |  |  |  |  |  |
Threshold trading days for weighted average price calculation |  | 10 days |  |  |  |  |  |
Weighted average price (in USD per share) |  | $ 8.00 |  |  |  |  |  |
Threshold trading days for aggregate trading volume calculation |  | 10 days |  |  |  |  |  |
Aggregate trading volume of last 10 days |  | $ 100,000 |  |  |  |  |  |
Private Placement | Accredited Investors | Common Stock | Tranche 3 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Consideration received on transaction |  | $ 80,000 |  |  |  |  |  |
Third tranche close period after second tranche (in years) |  | 3 years |  |  |  |  |  |
Common Stock and Pre-funded Warrants | Common Stock and Pre-funded Warrants |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Tranche rights as a liability, remainder amount | $ 80,000 |  |  |  |  |  |  |
Tranche rights as a liability, received amount | $ 56,400 |  |  |  |  |  |  |

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