Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring basis - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financial assets
Total financial assets	$ 444,612	$ 563,087
Level 1
Financial assets
Total financial assets	70,358	131,946
Level 2
Financial assets
Total financial assets	374,254	431,141
Money Market Funds
Financial assets
Total financial assets	70,358	131,946
Money Market Funds | Level 1
Financial assets
Total financial assets	70,358	131,946
U.S. Government Debt Securities
Financial assets
Total financial assets	334,857	391,145
U.S. Government Debt Securities | Level 2
Financial assets
Total financial assets	334,857	391,145
Corporate Bonds
Financial assets
Total financial assets	39,397	39,996
Corporate Bonds | Level 2
Financial assets
Total financial assets	$ 39,397	$ 39,996