Fair Value Measurements (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)
Discount rate
Fair Value Measurements
Weighted-average cost of capital	0.175
Contingent earn-out obligations
Fair Value Measurements
Contingent earn-out obligations	$ 44,727	$ 34,842
Reconciliation of the fair value of contingent earn-out obligations that use significant unobservable inputs (Level 3)
Balance at beginning of year	34,842	140,156
Issuances	17,618	4,059
Settlements	(20,148)	(142,846)
Adjustments to fair value	12,415	33,473
Balance at end of year	44,727	34,842
Recurring basis \| Total
Fair Value Measurements
Cash and cash equivalents	1,854,794	981,898
U.S. Treasury bills	51,604	34,357
Contingent earn-out obligations	44,727	34,842
Reconciliation of the fair value of contingent earn-out obligations that use significant unobservable inputs (Level 3)
Balance at beginning of year	34,842
Balance at end of year	44,727	34,842
Recurring basis \| Quoted Market Prices In Active Markets for Identical Assets (Level 1)
Fair Value Measurements
Cash and cash equivalents	1,854,794	981,898
Recurring basis \| Significant Other Observable Inputs (Level 2)
Fair Value Measurements
U.S. Treasury bills	51,604	34,357
Recurring basis \| Significant Unobservable Inputs (Level 3)
Fair Value Measurements
Contingent earn-out obligations	44,727	34,842
Reconciliation of the fair value of contingent earn-out obligations that use significant unobservable inputs (Level 3)
Balance at beginning of year	34,842
Balance at end of year	$ 44,727	$ 34,842

Value of input used to measure liability in contingent consideration arrangement in business combination.

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