Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Assets and Liabilities that are Measured at Fair Value on a Recurring Basis (Details)

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Fair Value Measurements - Schedule of Assets and Liabilities that are Measured at Fair Value on a Recurring Basis (Details) - Recurring basis - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in money market funds $ 37,008 $ 17,503
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in money market funds 0 0
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in money market funds $ 0 $ 0