Marketable Securities - Debt Securities Available-for-Sale in Unrealized Loss Position (Details) $ in Thousands	Jun. 30, 2025 USD ($) investment	Dec. 31, 2024 USD ($) investment
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Number of Securities, unrealized loss position less than 12 months | investment	16
Fair Value, unrealized loss position less than 12 months	$ 238,996
Unrealized Losses, unrealized loss position less than 12 months	$ (33)
U.S. treasury bills
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Number of Securities, unrealized loss position less than 12 months | investment	12	4
Fair Value, unrealized loss position less than 12 months	$ 178,880	$ 58,988
Unrealized Losses, unrealized loss position less than 12 months	$ (25)	$ (47)
U.S. treasury bonds
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Number of Securities, unrealized loss position less than 12 months | investment	4
Fair Value, unrealized loss position less than 12 months	$ 60,116
Unrealized Losses, unrealized loss position less than 12 months	$ (8)