v3.25.2
Investments and Fair Value Measurements - Available-For-Sale Debt Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 5,024,728 $ 3,110,278
Unrealized Gains 10 1,022
Unrealized Losses (1,934) (613)
Fair Value 5,022,804 3,110,687
U.S. Treasury securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 5,024,728 3,110,278
Unrealized Gains 10 1,022
Unrealized Losses (1,934) (613)
Fair Value $ 5,022,804 $ 3,110,687