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MARKETABLE SECURITIES - Available-for-sale Securities - Continuous Loss Position (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Corporate debt securities |  |
Short-term AFS securities |  |
Fair value, less than 12 months, short-term AFS securities | $ 19,510 | $ 28,741
Gross unrealized losses, less than 12 months, short-term AFS securities | (17) | (28)
Fair value, 12 months or greater, short-term AFS securities | 998 | 249
Gross unrealized losses, 12 months or greater, short-term AFS securities | 0 | 0
Fair value, short-term AFS securities | 20,508 | 28,990
Gross unrealized losses, short-term AFS securities | (17) | (28)
Long-term AFS securities |  |
Fair value, less than 12 months, long-term AFS securities | 44,062 | 68,163
Gross unrealized losses, less than 12 months, long-term AFS securities | (46) | (303)
Fair value, 12 months or greater, long-term AFS securities | 0 | 0
Gross unrealized losses, 12 months or greater, long-term AFS securities | 0 | 0
Fair value, long-term AFS securities | 44,062 | 68,163
Gross unrealized losses, long-term AFS securities | (46) | (303)
U.S. Treasury securities |  |
Short-term AFS securities |  |
Fair value, less than 12 months, short-term AFS securities | 2,017 | 13,023
Gross unrealized losses, less than 12 months, short-term AFS securities | 0 | (18)
Fair value, 12 months or greater, short-term AFS securities | 7,017 | 1,297
Gross unrealized losses, 12 months or greater, short-term AFS securities | (5) | (2)
Fair value, short-term AFS securities | 9,034 | 14,320
Gross unrealized losses, short-term AFS securities | (5) | (20)
Long-term AFS securities |  |
Fair value, less than 12 months, long-term AFS securities | 32,480 | 64,325
Gross unrealized losses, less than 12 months, long-term AFS securities | (30) | (261)
Fair value, 12 months or greater, long-term AFS securities | 6,936 | 0
Gross unrealized losses, 12 months or greater, long-term AFS securities | (11) | 0
Fair value, long-term AFS securities | 39,416 | 64,325
Gross unrealized losses, long-term AFS securities | (41) | (261)
U.S. governmental agency securities |  |
Short-term AFS securities |  |
Fair value, less than 12 months, short-term AFS securities |  | 0
Gross unrealized losses, less than 12 months, short-term AFS securities |  | 0
Fair value, 12 months or greater, short-term AFS securities |  | 3,971
Gross unrealized losses, 12 months or greater, short-term AFS securities |  | (4)
Fair value, short-term AFS securities |  | 3,971
Gross unrealized losses, short-term AFS securities |  | (4)
Long-term AFS securities |  |
Fair value, less than 12 months, long-term AFS securities | 2,579 |
Gross unrealized losses, less than 12 months, long-term AFS securities | (3) |
Fair value, 12 months or greater, long-term AFS securities | 0 |
Gross unrealized losses, 12 months or greater, long-term AFS securities | 0 |
Fair value, long-term AFS securities | 2,579 |
Gross unrealized losses, long-term AFS securities | (3) |
Total short-term AFS securities |  |
Short-term AFS securities |  |
Fair value, less than 12 months, short-term AFS securities | 21,527 | 41,764
Gross unrealized losses, less than 12 months, short-term AFS securities | (17) | (46)
Fair value, 12 months or greater, short-term AFS securities | 8,015 | 5,517
Gross unrealized losses, 12 months or greater, short-term AFS securities | (5) | (6)
Fair value, short-term AFS securities | 29,542 | 47,281
Gross unrealized losses, short-term AFS securities | (22) | (52)
Total long-term AFS securities |  |
Long-term AFS securities |  |
Fair value, less than 12 months, long-term AFS securities | 79,121 | 132,488
Gross unrealized losses, less than 12 months, long-term AFS securities | (79) | (564)
Fair value, 12 months or greater, long-term AFS securities | 6,936 | 0
Gross unrealized losses, 12 months or greater, long-term AFS securities | (11) | 0
Fair value, long-term AFS securities | 86,057 | 132,488
Gross unrealized losses, long-term AFS securities | $ (90) | $ (564)

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