Quarterly report pursuant to Section 13 or 15(d)

CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Details)

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CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]    
Cash equivalents $ 87,581 $ 46,521
Amortized Cost 97,212 197,198
Unrealized Losses (37) (49)
Fair Value 97,175 197,149
Total cash equivalents and short-term investments, Amortized Cost 184,793 243,719
Total cash equivalents and short-term investments, Fair Value 184,756 243,670
Commercial paper    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 56,282 70,401
Fair Value 56,282 70,401
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 16,140 65,645
Unrealized Losses (32) (28)
Fair Value 16,108 65,617
Government bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 17,274 36,487
Unrealized Losses (3) (11)
Fair Value 17,271 36,476
Assetbacked securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 7,516 24,665
Unrealized Losses (2) (10)
Fair Value 7,514 24,655
Money market funds    
Debt Securities, Available-for-sale [Line Items]    
Cash equivalents $ 87,581 $ 46,521