Fair Value Measurements - Summary of Financial Assets and Liabilities are Measured at Fair Value on Recurring Basis (Details) - Fair Value Measurements Recurring - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Total assets	$ 38,453	$ 43,631
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total assets	38,453	43,631
Money Market Funds
Assets
Cash equivalents - money market funds	38,453	43,631
Money Market Funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Cash equivalents - money market funds	$ 38,453	$ 43,631