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Development Derivative Liability (Tables)
3 Months Ended
Mar. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Development Derivative Liability
The following table presents activity for the development derivative liability during the three months ended March 31, 2022 (in thousands):
Development
Derivative
Liability
Balance at December 31, 2021$114,843 
Funding during the period
3,334 
Change in fair value(7,233)
Balance at March 31, 2022$110,944