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FINANCIAL INSTRUMENTS - Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Included in cash and cash equivalents: |  |
Amortized Cost | $ 48,722 | $ 53,929
Gross Unrealized Gains | 0 | 1
Gross Unrealized Losses | 0 | 0
Fair Value | 48,722 | 53,930
Restricted cash: |  |
Amortized Cost | 1,884 | 1,880
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 1,884 | 1,880
Marketable securities: |  |
Amortized Cost | 270,373 | 321,417
Gross Unrealized Gains | 34 | 285
Gross Unrealized Losses | (215) | (54)
Fair Value | 270,192 | 321,648
Money market funds |  |
Included in cash and cash equivalents: |  |
Amortized Cost | 43,727 | 48,950
Gross Unrealized Gains | 0 | 1
Gross Unrealized Losses | 0 | 0
Fair Value | 43,727 | 48,951
Restricted cash: |  |
Amortized Cost | 1,610 | 1,606
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 1,610 | 1,606
Commercial paper |  |
Included in cash and cash equivalents: |  |
Amortized Cost | 4,995 | 4,979
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 4,995 | 4,979
Marketable securities: |  |
Fair Value | 71,557 | 84,382
Certificate of deposit |  |
Restricted cash: |  |
Amortized Cost | 274 | 274
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 274 | 274
U.S. Treasury securities (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 14,980 | 22,910
Gross Unrealized Gains | 5 | 41
Gross Unrealized Losses | 0 | 0
Fair Value | 14,985 | 22,951
Municipal securities (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 10,023 | 10,032
Gross Unrealized Gains | 1 | 9
Gross Unrealized Losses | (2) | 0
Fair Value | 10,022 | 10,041
Municipal securities (due in one to two years) |  |
Marketable securities: |  |
Amortized Cost | 2,024 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (7) |
Fair Value | 2,017 |
Government-sponsored enterprise securities (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 2,960 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (1) |
Fair Value | 2,959 |
Commercial paper (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 66,584 | 79,354
Gross Unrealized Gains | 5 | 49
Gross Unrealized Losses | (28) | 0
Fair Value | 66,561 | 79,403
Corporate notes (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 149,086 | 167,805
Gross Unrealized Gains | 23 | 175
Gross Unrealized Losses | (130) | (16)
Fair Value | 148,979 | 167,964
Corporate notes (due in one to two years) |  |
Marketable securities: |  |
Amortized Cost | 24,716 | 41,316
Gross Unrealized Gains | 0 | 11
Gross Unrealized Losses | (47) | (38)
Fair Value | $ 24,669 | $ 41,289

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