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Fair Value Measurements - Quantitative Information used in Valuing Level 3 Liabilities (Details) - Significant Unobservable Inputs (Level 3) $ in Millions | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Contingent Payment Obligations | Monte Carlo Simulation |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Fair Value | $ 31.4 | $ 40.3
Contingent Payment Obligations | Monte Carlo Simulation | Volatility | Minimum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.18 | 0.13
Contingent Payment Obligations | Monte Carlo Simulation | Volatility | Maximum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.25 | 0.25
Contingent Payment Obligations | Monte Carlo Simulation | Volatility | Weighted Average |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.18 | 0.13
Contingent Payment Obligations | Monte Carlo Simulation | Discount rates | Minimum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.03 | 0.01
Contingent Payment Obligations | Monte Carlo Simulation | Discount rates | Maximum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.03 | 0.02
Contingent Payment Obligations | Monte Carlo Simulation | Discount rates | Weighted Average |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.03 | 0.02
Affiliate equity purchase obligations | Discounted cash flow |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Fair Value | $ 47.6 | $ 12.6
Affiliate equity purchase obligations | Discounted cash flow | Growth rates | Minimum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | (0.13) | (0.13)
Affiliate equity purchase obligations | Discounted cash flow | Growth rates | Maximum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.07 | 0.07
Affiliate equity purchase obligations | Discounted cash flow | Growth rates | Weighted Average |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.04 | 0.02
Affiliate equity purchase obligations | Discounted cash flow | Discount rates | Minimum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.15 | 0.15
Affiliate equity purchase obligations | Discounted cash flow | Discount rates | Maximum |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.18 | 0.18
Affiliate equity purchase obligations | Discounted cash flow | Discount rates | Weighted Average |  |
Quantitative information for Level 3 Fair Value Measurements Liabilities |  |
Affiliate equity purchase obligations, measurement input | 0.15 | 0.15

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- Definition Fair value of financial and nonfinancial obligations. + 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 (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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