Cash Equivalents and Short-Term Investments - Summary of Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Cash Equivalents and Short-Term Investments, Amortized Cost Basis	$ 135,903	$ 85,007
Cash Equivalents and Short-Term Investments, Unrealized Gains	23	4
Cash Equivalents and Short-Term Investments, Fair Value	135,926	85,011
Cash equivalents	64,680	35,030
Short-term investments	71,246	49,981
Total	135,926	85,011
Money Market Mutual Funds
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Cash Equivalents and Short-Term Investments, Amortized Cost Basis	64,680	1,034
Cash Equivalents and Short-Term Investments, Fair Value	64,680	1,034
U.S. Treasury And Government Agencies Securities
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Cash Equivalents and Short-Term Investments, Amortized Cost Basis	71,223	83,973
Cash Equivalents and Short-Term Investments, Unrealized Gains	23	4
Cash Equivalents and Short-Term Investments, Fair Value	$ 71,246	$ 83,977