Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value On Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Cash equivalents:
Cash equivalents	$ 150,129	$ 95,503
Short-term investments:
Short-term investments	46,459	233,663
Commercial paper
Cash equivalents:
Cash equivalents	7,998
Short-term investments:
Short-term investments	11,569
Corporate bonds
Cash equivalents:
Cash equivalents	753
Short-term investments:
Short-term investments	9,818
Money Market Fund
Cash equivalents:
Cash equivalents	141,378	55,505
U.S. Government Treasury Securities
Cash equivalents:
Cash equivalents		39,998
U.S. Government Treasury Securities
Short-term investments:
Short-term investments	25,072	233,663
Level 1
Cash equivalents:
Cash equivalents	141,378	95,503
Short-term investments:
Short-term investments	25,072	233,663
Level 1 | Money Market Fund
Cash equivalents:
Cash equivalents	141,378	55,505
Level 1 | U.S. Government Treasury Securities
Cash equivalents:
Cash equivalents		39,998
Level 1 | U.S. Government Treasury Securities
Short-term investments:
Short-term investments	25,072	$ 233,663
Level 2
Cash equivalents:
Cash equivalents	8,751
Short-term investments:
Short-term investments	21,387
Level 2 | Commercial paper
Cash equivalents:
Cash equivalents	7,998
Short-term investments:
Short-term investments	11,569
Level 2 | Corporate bonds
Cash equivalents:
Cash equivalents	753
Short-term investments:
Short-term investments	$ 9,818