v3.25.4
Investments and Fair Value Measurements - Available-For-Sale Debt Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 5,720,869 $ 3,110,278
Unrealized Gains 9,158 1,022
Unrealized Losses (135) (613)
Fair Value 5,729,892 3,110,687
U.S. Treasury securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 5,720,869 3,110,278
Unrealized Gains 9,158 1,022
Unrealized Losses (135) (613)
Fair Value $ 5,729,892 $ 3,110,687