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Organization and Description of Business (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
May 08, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
May 12, 2023
purchaser
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]              
Accumulated deficit   $ 625,873   $ 625,873   $ 537,314  
Operating losses   29,499 $ 26,731 56,077 $ 49,243    
Net cash used in operating activities       48,638 41,244    
Revenue interest liability   60,078   60,078   38,600  
Cash and cash equivalents   93,563   93,563   80,448  
Additional purchase agreement proceeds       43,396 $ 0    
Revenue Interest Purchase Agreement              
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]              
Number of purchasers | purchaser             2
Revenue interest liability   60,100   60,100   $ 38,600  
Contingent cash collateral to be funded $ 54,000            
Contingent cash collateral, restricted amount $ 50,000            
Revenue Interest Purchase Agreement | Subsequent Installment Two              
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]              
Milestone payment potentially receivable   $ 40,000   $ 40,000