Related Party Transactions - Schedule of Expenses Related to Related Party Which are Settled in Cash (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Related Party Transaction [Line Items]
Total related party expense (excludes stock-based compensation)	[1]	$ 60,411	$ 41,623
Related Party
Related Party Transaction [Line Items]
Total related party expense (excludes stock-based compensation)		3,100	2,500
Paragon and License Agreement | Related Party
Related Party Transaction [Line Items]
Total related party expense (excludes stock-based compensation)		3,100	2,500
License Agreement | Related Party
Related Party Transaction [Line Items]
Total related party expense (excludes stock-based compensation)		3,000	2,500
Other Paragon Reimbursable Expenses | Related Party
Related Party Transaction [Line Items]
Total related party expense (excludes stock-based compensation)		$ 100	$ 0

[1] Includes $3.1 million and $2.5 million in related party expenses for the three months ended March 31, 2026 and 2025, respectively.