Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Derivative instruments measured at fair value on a recurring basis (Details)

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Fair Value Measurements - Derivative instruments measured at fair value on a recurring basis (Details) - Fair Value, Recurring - Level 3 - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Balance, at beginning of period $ 19,816  
Acquired   $ 19,816
QPL milestone (2,763)  
Total losses included in earnings [1] $ 22,579 $ 19,816
[1] There were no material adjustments to the Company’s estimated fair value of contingent consideration as of September 30, 2020 as post-acquisition activity remained in line with the Company’s initial projections for developing the technology and progressing the product’s registration on the QPL.