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FINANCIAL INSTRUMENTS - Schedule of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | $ 298,240 | $ 389,509
Gross unrealized gains | 432 | 602
Gross unrealized losses | (18) | (180)
Fair Value | 298,654 | 389,931
Short-term restricted cash | 300 | 690
Long-term restricted cash | 1,532 | 1,532
Cash and cash equivalents |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 56,467 | 55,370
Gross unrealized gains | 0 | 0
Gross unrealized losses | 0 | 0
Fair Value | 56,467 | 55,370
Total investments |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 241,773 | 334,139
Gross unrealized gains | 432 | 602
Gross unrealized losses | (18) | (180)
Fair Value | 242,187 | 334,561
Corporate debt securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 23,298 | 46,746
Gross unrealized gains | 123 | 184
Gross unrealized losses | (1) | (25)
Fair Value | 23,420 | 46,905
U.S. government & agency securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 218,475 | 287,393
Gross unrealized gains | 309 | 418
Gross unrealized losses | (17) | (155)
Fair Value | $ 218,767 | $ 287,656

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