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CASH EQUIVALENTS, INVESTMENTS AND RECURRING FAIR VALUE MEASUREMENTS - Available for sale debt securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Cash and Cash Equivalents [Line Items]    
Short-term investments $ 20,884 $ 240,114
Total investments 196,861 372,470
Money market funds    
Cash and Cash Equivalents [Line Items]    
Cash equivalents $ 175,977 $ 132,356