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Investments (Details) - Summary of amortized cost and gross unrealized losses on all securities - Short-term Investments [Member] - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Investments (Details) - Summary of amortized cost and gross unrealized losses on all securities [Line Items]    
Amortized cost $ 14,749 $ 14,748
Gross unrealized gains
Gross unrealized losses
Fair value 14,749 14,748
U.S. Treasury securities [Member]    
Investments (Details) - Summary of amortized cost and gross unrealized losses on all securities [Line Items]    
Amortized cost 14,749 14,748
Gross unrealized gains
Gross unrealized losses
Fair value 14,749 14,748
Marketable securities [Member]    
Investments (Details) - Summary of amortized cost and gross unrealized losses on all securities [Line Items]    
Amortized cost
Gross unrealized gains
Gross unrealized losses
Fair value