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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Amount of investment in equity security without readily determinable fair value.

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