Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financial Assets:
Financial assets, fair value	$ 79,552	$ 86,874
Corporate bonds
Financial Assets:
Financial assets, fair value	3,981	12,574
Commercial paper
Financial Assets:
Financial assets, fair value	63,817	65,412
Level 1
Financial Assets:
Financial assets, fair value	11,754	8,888
Level 2
Financial Assets:
Financial assets, fair value	67,798	77,986
Level 2 | Corporate bonds
Financial Assets:
Financial assets, fair value	3,981	12,574
Level 2 | Commercial paper
Financial Assets:
Financial assets, fair value	63,817	65,412
Money market funds
Financial Assets:
Financial assets, fair value	10,755	8,888
Money market funds | Level 1
Financial Assets:
Financial assets, fair value	10,755	$ 8,888
U.S. treasury securities
Financial Assets:
Financial assets, fair value	999
U.S. treasury securities | Level 1
Financial Assets:
Financial assets, fair value	$ 999