Commitments and Contingencies - Summary of Aggregate Non-Cancelable Contractual Obligations Arising from Manufacturing Obligations (Detail) $ in Thousands	Mar. 31, 2025 USD ($)
Commitments And Contingencies [Line Items]
2025 (April-December)	$ 846,649
2026	168,167
2027	79,856
2028	72,395
Total manufacturing commitments	$ 1,167,067	[1]

[1] Total manufacturing commitments include the Catalent, Inc. (“Catalent”) manufacturing and supply agreement, for which the Company has ROU assets and lease liabilities recorded on the unaudited condensed consolidated balance sheets as of March 31, 2025. For more information, please read Note 22, Commitments and Contingencies to the financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024.