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Fair Value Measurement - Reconciliation of Level 3 Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Liabilities |  |
Payments to CVR holders and other contingency payments | $ (2,325) | $ (3,050)
Fair value adjustments to contingent liabilities | 963 | (30)
Contingent liabilities due to acquisitions | 41,800 |
Level 3 |  |
Liabilities |  |
Fair value of level 3 financial instruments at beginning of period | 3,007 |
Payments to CVR holders and other contingency payments | (2,325) |
Fair value adjustments to contingent liabilities | (2,830) |
Fair value of level 3 financial instruments at end of period | $ 45,312 | $ 3,007

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Acquisition, Contingent Liabilities + References No definition available. + Details
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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Fair Value Adjustment, Contingent Liabilities + References No definition available. + Details
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- Definition Payments to contingent value right holders + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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