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FINANCIAL INSTRUMENTS (Tables) | 6 Months Ended
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Jun. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Cash, Cash Equivalents and Available-for-Sale Securities by Significant Investment Category | The following tables show the Company’s cash, cash equivalents and available-for-sale securities by significant investment category as of the dates presented:
| June 30, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Aggregate Fair Value |  | Cash and Cash Equivalents |  | Short-term Marketable Securities (1) |  | Long-term Marketable Securities (2)
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 817,253 |  |  | $ | — |  |  | $ | — |  |  | $ | 817,253 |  |  | $ | 817,253 |  |  | $ | — |  |  | $ | — |
Level 2: |  |  |  |  |  |  |  |  |  |  |  |  |
Money market instruments | 396,563 |  |  | — |  |  | — |  |  | 396,563 |  |  | 396,563 |  |  | — |  |  | — |
Corporate debt securities | 484,334 |  |  | 3,161 |  |  | (47) |  |  | 487,448 |  |  | — |  |  | 164,564 |  |  | 322,884 |
U.S. government agency securities | 170,164 |  |  | 840 |  |  | (46) |  |  | 170,958 |  |  | — |  |  | 53,741 |  |  | 117,217 |
Asset-backed securities | 68,198 |  |  | 310 |  |  | (13) |  |  | 68,495 |  |  | — |  |  | 4 |  |  | 68,491 |
Subtotal | 1,119,259 |  |  | 4,311 |  |  | (106) |  |  | 1,123,464 |  |  | 396,563 |  |  | 218,309 |  |  | 508,592 |
Total | $ | 1,936,512 |  |  | $ | 4,311 |  |  | $ | (106) |  |  | $ | 1,940,717 |  |  | $ | 1,213,816 |  |  | $ | 218,309 |  |  | $ | 508,592 |
| December 31, 2024
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Aggregate Fair Value |  | Cash and Cash Equivalents |  | Short-term Marketable Securities (1) |  | Long-term Marketable Securities (2)
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 329,619 |  |  | $ | — |  |  | $ | — |  |  | $ | 329,619 |  |  | $ | 329,619 |  |  | $ | — |  |  | $ | — |
Level 2: |  |  |  |  |  |  |  |  |  |  |  |  |
Money market instruments | 613,223 |  |  | — |  |  | — |  |  | 613,223 |  |  | 613,223 |  |  | — |  |  | — |
Corporate debt securities | 503,202 |  |  | 2,410 |  |  | (390) |  |  | 505,222 |  |  | — |  |  | 168,104 |  |  | 337,118 |
Asset-backed securities | 138,508 |  |  | 363 |  |  | (344) |  |  | 138,527 |  |  | — |  |  | 25,864 |  |  | 112,663 |
U.S. government agency securities | 72,027 |  |  | 359 |  |  | (33) |  |  | 72,353 |  |  | — |  |  | 896 |  |  | 71,457 |
Subtotal | 1,326,960 |  |  | 3,132 |  |  | (767) |  |  | 1,329,325 |  |  | 613,223 |  |  | 194,864 |  |  | 521,238 |
Total | $ | 1,656,579 |  |  | $ | 3,132 |  |  | $ | (767) |  |  | $ | 1,658,944 |  |  | $ | 942,842 |  |  | $ | 194,864 |  |  | $ | 521,238 |
(1) The Company’s short-term marketable securities mature in one year or less. (2) The Company’s long-term marketable securities mature between one and five years.

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