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FAIR VALUE MEASUREMENTS - SECURITY TYPE (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Included in cash and cash equivalents: |  |
Amortized Cost | $ 50,193 | $ 16,815
Gross Unrealized Losses | (1) |
Estimated Fair Value | 50,192 | 16,815
Restricted cash: |  |
Amortized Cost | 1,860 | 1,115
Estimated Fair Value | 1,860 | 1,115
Marketable securities: |  |
Amortized Cost | 421,790 | 306,784
Gross Unrealized Gains | 470 | 402
Gross Unrealized Losses | (191) | (212)
Estimated Fair Value | 422,069 | 306,974
Money market funds |  |
Included in cash and cash equivalents: |  |
Amortized Cost | 45,215 | 16,815
Estimated Fair Value | 45,215 | 16,815
Restricted cash: |  |
Amortized Cost | 1,587 | 843
Estimated Fair Value | 1,587 | 843
Commercial paper |  |
Included in cash and cash equivalents: |  |
Amortized Cost | 4,978 |
Gross Unrealized Losses | (1) |
Estimated Fair Value | 4,977 |
Certificate of deposit |  |
Restricted cash: |  |
Amortized Cost | 273 | 272
Estimated Fair Value | 273 | 272
U.S. Treasury securities (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 7,937 | 26,752
Gross Unrealized Gains | 22 | 95
Estimated Fair Value | 7,959 | 26,847
U.S. Treasury securities (due in one to two years) |  |
Marketable securities: |  |
Amortized Cost | 22,620 | 2,877
Gross Unrealized Gains | 1 | 17
Gross Unrealized Losses | (11) |
Estimated Fair Value | 22,610 | 2,894
Government-sponsored enterprise securities (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 8,741 | 86,250
Gross Unrealized Gains | 7 | 43
Gross Unrealized Losses |  | (92)
Estimated Fair Value | 8,748 | 86,201
Government-sponsored enterprise securities (due in one to two years) |  |
Marketable securities: |  |
Amortized Cost |  | 13,598
Gross Unrealized Gains |  | 72
Estimated Fair Value |  | 13,670
Commercial paper (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 180,131 | 102,270
Gross Unrealized Gains | 150 | 31
Gross Unrealized Losses | (56) | (33)
Estimated Fair Value | 180,225 | 102,268
Corporate notes (due in less than one year) |  |
Marketable securities: |  |
Amortized Cost | 130,361 | 48,409
Gross Unrealized Gains | 284 | 14
Gross Unrealized Losses | (27) | (63)
Estimated Fair Value | 130,618 | 48,360
Corporate notes (due in one to two years) |  |
Marketable securities: |  |
Amortized Cost | 72,000 | 26,628
Gross Unrealized Gains | 6 | 130
Gross Unrealized Losses | (97) | (24)
Estimated Fair Value | $ 71,909 | $ 26,734

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