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LONG-TERM DEBT - Schedule of Convertible Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Dec. 15, 2025	Dec. 31, 2020
Liability Component:
Unamortized Issuance Costs	$ (11,975)	$ (8,062)
Net Carrying Amount	2,366,853	2,421,359
Convertible Senior Notes due 2026
Liability Component:
Principal	208,553	208,556
Net Carrying Amount	208,447	208,131
Convertible Senior Notes due 2026 | Convertible Notes
Liability Component:
Principal	208,553	208,556	$ 122,098	$ 345,000
Unamortized Issuance Costs	(106)	(425)
Net Carrying Amount	208,447	208,131
Fair Value	$ 626,566	$ 596,798

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