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Investments (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 77,526 $ 142,467
Total 115,434 140,856
Gross Unrealized Gains 0 0
Gross Unrealized Losses (72) 0
Fair Value 38,900  
Total 115,362 140,856
U.S. treasury securities - due within 1 year    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 39,003 0
Gross Unrealized Gains 0 0
Gross Unrealized Losses (72) 0
Fair Value 38,931 0
Money market funds    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 76,431 140,856
Fair Value $ 76,431 $ 140,856