Fair Value Measurements - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets:
Total assets	$ 315,974	$ 339,223
Cash
Assets:
Total assets	20,800	26,037
Money market funds
Assets:
Total assets	167,772	175,012
U.S. treasury securities
Assets:
Total assets	6,483
Asset-Backed Securities
Assets:
Total assets	10,723	21,147
Corporate Debt Securities
Assets:
Total assets	110,196	117,027
Level 1
Assets:
Total assets	195,055	201,049
Level 1 | Cash
Assets:
Total assets	20,800	26,037
Level 1 | Money market funds
Assets:
Total assets	167,772	175,012
Level 1 | U.S. treasury securities
Assets:
Total assets	6,483
Level 2
Assets:
Total assets	120,919	138,174
Level 2 | Asset-Backed Securities
Assets:
Total assets	10,723	21,147
Level 2 | Corporate Debt Securities
Assets:
Total assets	$ 110,196	$ 117,027