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Financial Instruments and Fair Value - Narrative (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate cost basis for investments | $ 51,500,000 | $ 45,300,000
Acquisition earnout accruals, non-current | 0 | 38,648,000
Acquisition earnout accruals, current | 42,883,000 | 0
Equity investment without readily determinable fair value, amount | 11,000,000 | 11,000,000
Equity investment without readily determinable fair value, impairment loss | 0 |
Non-Current and Other Non-Current Liabilities | Fair Value, Inputs, Level 3 | Earnout |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Acquisition earnout accruals, non-current | 42,900,000 | 38,600,000
Current Accrued Salaries and Benefits | Fair Value, Inputs, Level 3 | Contingent Compensation |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Acquisition earnout accruals, current | $ 27,400,000 | 4,900,000
Non-Current Accrued Salaries and Benefits | Fair Value, Inputs, Level 3 | Contingent Compensation |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Acquisition earnout accruals, non-current |  | $ 18,000,000

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