Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial Assets:
Financial assets, fair value	$ 60,707	$ 86,874
Corporate bonds
Financial Assets:
Financial assets, fair value	3,974	12,574
Commercial paper
Financial Assets:
Financial assets, fair value	35,206	65,412
Level 1
Financial Assets:
Financial assets, fair value	14,553	8,888
Level 2
Financial Assets:
Financial assets, fair value	46,154	77,986
Level 2 | Corporate bonds
Financial Assets:
Financial assets, fair value	3,974	12,574
Level 2 | Commercial paper
Financial Assets:
Financial assets, fair value	35,206	65,412
Money market funds
Financial Assets:
Financial assets, fair value	13,554	8,888
Money market funds | Level 1
Financial Assets:
Financial assets, fair value	13,554	$ 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
U.S. Government Securities
Financial Assets:
Financial assets, fair value	6,974
U.S. Government Securities | Level 2
Financial Assets:
Financial assets, fair value	$ 6,974