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Common Stock - Equity Offering (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 111 Months Ended
Jan. 08, 2024
USD ($)
$ / shares
shares
Jan. 04, 2024
USD ($)
tranche
$ / shares
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2024
USD ($)
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2024
shares
Mar. 04, 2024
USD ($)
shares
Mar. 03, 2024
shares
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) | shares 130,000,000   500,000,000   500,000,000 500,000,000 500,000,000  
Change in fair value of the tranche rights     $ 0 $ 4,796        
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        
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) | shares             500,000,000 130,000,000
Private Placement | Common Stock                
Class of Stock [Line Items]                
Private placement, number of tranche | tranche   3            
Sale of stock, price per share (in usd per share) | $ / shares   $ 0.0001            
Private Placement | Common Stock | Tranche 1                
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) | $ / shares   $ 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 | Tranche 1                
Class of Stock [Line Items]                
Sale of stock, price per share (in usd per share) | $ / shares $ 1.43              
Consideration received on transaction $ 80,000              
Number of shares registered for resale (in shares) | shares 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) | $ / shares   $ 1.716            
Consideration received on transaction   $ 80,000            
Sale of stock, consideration received (as a percent)   120.00%            
Number of tranche subjected to condition | tranche   3            
Threshold trading days for weighted average price calculation (in days)   10 days            
Weighted average price (in usd per share) | $ / shares   $ 8.00            
Threshold trading days for aggregate trading volume calculation (in days)   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