FAIR VALUE MEASUREMENTS - Assets Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Assets
Assets	$ 472,366	$ 355,570
Cash equivalents
Assets
Assets	191,291	225,605
Commercial paper
Assets
Assets	12,920	8,371
Corporate debt securities
Assets
Assets	229,499	104,147
U.S. government securities
Assets
Assets	38,656	17,447
Level 1
Assets
Assets	191,291	225,605
Level 1 | Cash equivalents
Assets
Assets	191,291	225,605
Level 2
Assets
Assets	281,075	129,965
Level 2 | Commercial paper
Assets
Assets	12,920	8,371
Level 2 | Corporate debt securities
Assets
Assets	229,499	104,147
Level 2 | U.S. government securities
Assets
Assets	$ 38,656	$ 17,447