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FINANCIAL INSTRUMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Assets    
Cash and cash equivalents $ 77,982 $ 179,911
Short-term restricted cash 690 300
Long-term restricted cash 1,532 2,422
Total assets measured at fair value 473,369 634,138
Liabilities    
Contingent consideration 20,650 19,550
Total liabilities measured at fair value 20,650 19,550
Investments:    
Assets    
Investments: 393,165 451,505
Commercial paper    
Assets    
Investments: 0 9,947
Corporate debt securities    
Assets    
Investments: 68,178 88,579
U.S. government & agency securities    
Assets    
Investments: 324,987 352,979
Level 1    
Assets    
Cash and cash equivalents 58,703 70,172
Short-term restricted cash 690 300
Long-term restricted cash 1,532 2,422
Total assets measured at fair value 60,925 72,894
Liabilities    
Contingent consideration 0 0
Total liabilities measured at fair value 0 0
Level 1 | Investments:    
Assets    
Investments: 0 0
Level 1 | Commercial paper    
Assets    
Investments: 0 0
Level 1 | Corporate debt securities    
Assets    
Investments: 0 0
Level 1 | U.S. government & agency securities    
Assets    
Investments: 0 0
Level 2    
Assets    
Cash and cash equivalents 19,279 109,739
Short-term restricted cash 0 0
Long-term restricted cash 0 0
Total assets measured at fair value 412,444 561,244
Liabilities    
Contingent consideration 0 0
Total liabilities measured at fair value 0 0
Level 2 | Investments:    
Assets    
Investments: 393,165 451,505
Level 2 | Commercial paper    
Assets    
Investments: 0 9,947
Level 2 | Corporate debt securities    
Assets    
Investments: 68,178 88,579
Level 2 | U.S. government & agency securities    
Assets    
Investments: 324,987 352,979
Level 3    
Assets    
Cash and cash equivalents 0 0
Short-term restricted cash 0 0
Long-term restricted cash 0 0
Total assets measured at fair value 0 0
Liabilities    
Contingent consideration 20,650 19,550
Total liabilities measured at fair value 20,650 19,550
Level 3 | Investments:    
Assets    
Investments: 0 0
Level 3 | Commercial paper    
Assets    
Investments: 0 0
Level 3 | Corporate debt securities    
Assets    
Investments: 0 0
Level 3 | U.S. government & agency securities    
Assets    
Investments: $ 0 $ 0