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v3.21.2

Fair Value - Additional Information (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) item Installment | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) item Installment | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) item
Fair Value |  |  |  |  |
Transfers between Level 1 to Level 2 |  |  | $ 0 |  |
Transfers between Level 2 to Level 1 |  |  | 0 |  |
Milestone payment receivable | $ 38,600,000 |  | $ 38,600,000 |  |
Number of equal annual installments milestone payment | Installment | 6 |  | 6 |  |
Percentage of discount recovery rate | 18.00% |  | 18.00% |  | 18.00%
Contingent consideration | $ 29,100,000 |  | $ 29,100,000 |  | $ 32,500,000
Contingent consideration included within prepaid expenses and other current assets | 6,500,000 |  | 6,500,000 |  | 7,800,000
Contingent consideration included within contingent consideration | 22,632,000 |  | 22,632,000 |  | 24,651,000
Increase (decrease) in the fair value of contingent consideration | 3,240,000 | $ 5,900,000 | 4,518,000 | $ 12,700,000 |
2026 Term Loans |  |  |  |  |
Fair Value |  |  |  |  |
Amount to be realized in future | $ 297,800,000 |  | $ 297,800,000 |  |
2023 Term Loans |  |  |  |  |
Fair Value |  |  |  |  |
Amount to be realized in future |  |  |  |  | $ 275,100,000
First Scenario |  |  |  |  |
Fair Value |  |  |  |  |
Percentage of substantial doubt about going concern | 55.00% |  | 55.00% |  | 50.00%
Second Scenario |  |  |  |  |
Fair Value |  |  |  |  |
Percentage of substantial doubt about going concern | 45.00% |  | 45.00% |  | 50.00%
Discount Rate |  |  |  |  |
Fair Value |  |  |  |  |
Discount rate (as a percent) | item | 13 |  | 13 |  | 13
Maximum |  |  |  |  |
Fair Value |  |  |  |  |
Milestone payment receivable | $ 80,000,000.0 |  | $ 80,000,000.0 |  |

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