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Common Stock - Equity Offering (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 102 Months Ended
Jan. 08, 2024
USD ($)
$ / shares
shares
Jan. 04, 2024
USD ($)
tranche
$ / shares
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
shares
Mar. 04, 2024
USD ($)
shares
Mar. 03, 2024
shares
Dec. 31, 2023
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   130,000,000
Change in fair value of the tranche rights     $ 0 $ 0 $ 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) | shares               130,000,000    
Maximum                    
Class of Stock [Line Items]                    
Common stock, shares authorized (in shares) | 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) | 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 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 | 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, percentage   120.00%                
Number of tranche subjected to condition | tranche   3                
Threshold trading days for weighted average price calculation   10 days                
Weighted average price (in USD per share) | $ / shares   $ 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