Stock-Based Compensation - Narrative (Details) $ in Thousands, shares in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) shares	Sep. 30, 2025 USD ($) shares	Dec. 31, 2025
Stock Based Compensation
Stock-based compensation expense	$ 106,105	$ 90,637	$ 304,309	$ 261,822
Liability-Classified Awards
Stock Based Compensation
Stock-based compensation expense	(400)	0	2,600	0
Liability-Classified Awards | Foresight Diagnostics, Inc.
Stock Based Compensation
Stock-based compensation expense	900		2,500
PSU's
Stock Based Compensation
Stock-based compensation expense	25,000	25,500	$ 71,400	$ 74,000
Target (as a percent)			100.00%
Awards granted (in shares) | shares			0.2	0.4
Aggregate grant date fair value, target vesting percentage (as a percent)			1	1
Aggregate grant date fair value	$ 45,400	$ 64,900	$ 45,400	$ 64,900
Stock-based compensation, milestones as a percentage of grant value (as a percent)			100.00%		200.00%
PSU's | Minimum
Stock Based Compensation
Vesting (as a percent)			0.00%
PSU's | Maximum
Stock Based Compensation
Vesting (as a percent)			200.00%