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Assets and Liabilities Measured at Fair Value - Components by Hierarchy Level (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Fair value of assets | $ 156,163 | $ 242,048
Liabilities: |  |
Contingent consideration payable | 19,266 | 20,339
Deferred compensation plan liability | 4,977 | 4,800
Fair value of liabilities | 24,243 | 25,139
Commercial paper |  |
Assets: |  |
Fair value of assets | 102,846 | 174,531
U.S. government agency bonds |  |
Assets: |  |
Fair value of assets | 44,964 |
Asset-backed securities |  |
Assets: |  |
Fair value of assets | 2,991 | 30,056
Money market |  |
Assets: |  |
Fair value of assets | 5,362 | 5,150
Level 2 |  |
Assets: |  |
Fair value of assets | 156,163 | 242,048
Liabilities: |  |
Contingent consideration payable | 0 | 0
Deferred compensation plan liability | 4,977 | 4,800
Fair value of liabilities | 4,977 | 4,800
Level 2 | Commercial paper |  |
Assets: |  |
Fair value of assets | 102,846 |
Level 2 | U.S. government agency bonds |  |
Assets: |  |
Fair value of assets | 44,964 |
Level 2 | Asset-backed securities |  |
Assets: |  |
Fair value of assets | 2,991 | 30,056
Level 2 | Money market |  |
Assets: |  |
Fair value of assets | 5,362 | 5,150
Level 2 | Corporate debt securities |  |
Assets: |  |
Fair value of assets |  | 32,311
Level 3 |  |
Liabilities: |  |
Contingent consideration payable | 19,266 | 20,339
Deferred compensation plan liability | 0 | 0
Fair value of liabilities | $ 19,266 | $ 20,339

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