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FINANCIAL INSTRUMENTS - Schedule of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | $ 469,595 | $ 631,197
Gross unrealized gains | 1,584 | 864
Gross unrealized losses | (32) | (645)
Fair Value | 471,147 | 631,416
Short-term restricted cash | 690 | 300
Long-term restricted cash | 1,532 | 2,422
Cash and cash equivalents |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 77,980 | 179,958
Gross unrealized gains | 2 | 13
Gross unrealized losses | 0 | (60)
Fair Value | 77,982 | 179,911
Commercial paper |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost |  | 9,947
Gross unrealized gains |  | 0
Gross unrealized losses |  | 0
Fair Value |  | 9,947
Corporate debt securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 67,563 | 88,263
Gross unrealized gains | 620 | 373
Gross unrealized losses | (5) | (57)
Fair Value | 68,178 | 88,579
U.S. government & agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 324,052 | 353,029
Gross unrealized gains | 962 | 478
Gross unrealized losses | (27) | (528)
Fair Value | 324,987 | 352,979
Investments: |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 391,615 | 451,239
Gross unrealized gains | 1,582 | 851
Gross unrealized losses | (32) | (585)
Fair Value | $ 393,165 | $ 451,505

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