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FINANCIAL INSTRUMENTS - Schedule of Cash, Cash Equivalents and Available-for-Sale Securities by Significant Investment Category (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized Cost | $ 1,985,897 | $ 1,656,579 |
Gross Unrealized Gains | 4,934 | 3,132 |
Gross Unrealized Losses | (55) | (767) |
Aggregate Fair Value | 1,990,776 | 1,658,944 |
Cash and Cash Equivalents | 1,250,108 | 942,842 | [1]
Short-term marketable securities | 227,731 | 194,864 | [1]
Long-term marketable securities | $ 512,937 | $ 521,238 | [1]
Maximum |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Short term marketable securities maturity period | 1 year | 1 year |
Long term marketable securities maturity period | 5 years | 5 years |
Minimum |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Long term marketable securities maturity period | 1 year | 1 year |
Level 1: |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cash | $ 400,492 | $ 329,619 |
Cash, aggregate fair value | 400,492 | 329,619 |
Level 2: |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized Cost | 1,585,405 | 1,326,960 |
Gross Unrealized Gains | 4,934 | 3,132 |
Gross Unrealized Losses | (55) | (767) |
Aggregate Fair Value | 1,590,284 | 1,329,325 |
Cash and Cash Equivalents | 849,616 | 613,223 |
Short-term marketable securities | 227,731 | 194,864 |
Long-term marketable securities | 512,937 | 521,238 |
Level 2: | Money market instruments |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized Cost | 844,616 | 613,223 |
Gross Unrealized Gains | 0 | 0 |
Gross Unrealized Losses | 0 | 0 |
Aggregate Fair Value | 844,616 | 613,223 |
Cash and Cash Equivalents | 844,616 | 613,223 |
Short-term marketable securities | 0 | 0 |
Long-term marketable securities | 0 | 0 |
Level 2: | Corporate debt securities |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized Cost | 474,892 | 503,202 |
Gross Unrealized Gains | 3,520 | 2,410 |
Gross Unrealized Losses | (26) | (390) |
Aggregate Fair Value | 478,386 | 505,222 |
Cash and Cash Equivalents | 0 | 0 |
Short-term marketable securities | 181,605 | 168,104 |
Long-term marketable securities | 296,781 | 337,118 |
Level 2: | U.S. government agency securities |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized Cost | 202,584 | 72,027 |
Gross Unrealized Gains | 991 | 359 |
Gross Unrealized Losses | (21) | (33) |
Aggregate Fair Value | 203,554 | 72,353 |
Cash and Cash Equivalents | 5,000 | 0 |
Short-term marketable securities | 45,912 | 896 |
Long-term marketable securities | 152,642 | 71,457 |
Level 2: | Asset-backed securities |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amortized Cost | 63,313 | 138,508 |
Gross Unrealized Gains | 423 | 363 |
Gross Unrealized Losses | (8) | (344) |
Aggregate Fair Value | 63,728 | 138,527 |
Cash and Cash Equivalents | 0 | 0 |
Short-term marketable securities | 214 | 25,864 |
Long-term marketable securities | $ 63,514 | $ 112,663 |
[1] | (1)December 31, 2024 balances were derived from the audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on February 24, 2025.

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