Organization and Nature of Business - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash cash equivalents restricted cash and investments	$ 1,395,800
Cash and cash equivalents	197,855	$ 428,430	$ 541,932
Short-term investments	1,000,534	1,247,820
Non-current investments	181,770	$ 0
Investments	1,182,300
Restricted cash	$ 15,600