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Revenue Interest Financing Payable - Summary (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jan. 05, 2024
Jan. 04, 2024
Mar. 31, 2024
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Revenue Interest Financing Payable            
Beginning balance $ 71,117 $ 46,033 $ 46,033 $ 82,600    
Second tranche funding, net of fees   24,975        
Loss on extinguishment 11,483   (11,483)   $ (2,311) $ (2,300)
Accretion   107   2,412    
Amortization of issuance costs   2        
Payments     (654) (654)    
Ending balance $ 82,600 $ 71,117 84,358 84,358   46,033
Less: current portion of revenue interest financing payable     (4,153) (4,153)   (2,615)
Long-term portion of revenue interest financing payable     $ 80,205 $ 80,205   $ 43,418