FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Financial Assets Measured at Fair Value on Recurring Basis Within Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Marketable securities:
Fair Value	$ 161,522	$ 330,331
Total	569,111	734,310
U.S. treasury securities
Marketable securities:
Fair Value	76,718	132,036
Commercial paper
Marketable securities:
Fair Value		14,310
Corporate notes and obligations
Marketable securities:
Fair Value	84,804	183,985
Money market funds
Cash equivalents:
Money market funds	407,589	403,979
Level 1
Marketable securities:
Total	484,307	536,015
Level 1 \| U.S. treasury securities
Marketable securities:
Fair Value	76,718	132,036
Level 1 \| Commercial paper
Marketable securities:
Fair Value		0
Level 1 \| Corporate notes and obligations
Marketable securities:
Fair Value	0	0
Level 1 \| Money market funds
Cash equivalents:
Money market funds	407,589	403,979
Level 2
Marketable securities:
Total	84,804	198,295
Level 2 \| U.S. treasury securities
Marketable securities:
Fair Value	0	0
Level 2 \| Commercial paper
Marketable securities:
Fair Value		14,310
Level 2 \| Corporate notes and obligations
Marketable securities:
Fair Value	84,804	183,985
Level 2 \| Money market funds
Cash equivalents:
Money market funds	$ 0	$ 0

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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