Short-Term Investments - Summary of Maturities of Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 65,000	$ 71,782
Estimated Fair Value	65,000	$ 71,783
Due in One Year or Less
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	55,696
Estimated Fair Value	55,693
Due After One Year Through Two Years
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	9,304
Estimated Fair Value	$ 9,307