Fair Value Measurements - Debt Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 177,732	$ 78,185
Gross Unrealized Gains	31	65
Gross Unrealized Losses	0	0
Estimated Fair Value	177,763	78,250
U.S. Government
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	177,732	78,185
Gross Unrealized Gains	31	65
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 177,763	$ 78,250