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Fair Value Measurements (Reconciliation of Level 3 Financial Assets Measured on Recurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Contingent Consideration Arrangements |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Balance as of January 1 | $ 2,834 | $ 555
Fair value adjustments | 0 | 0
Balance as of March 31 | 2,834 | 555
Corporate Debt Securities |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Balance as of January 1 | 15,699 | 15,586
Fair value adjustments | (82) | 433
Balance as of March 31 | $ 15,617 | $ 16,019

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