GENERAL AND BASIS OF PRESENTATION - Schedule of Convertible Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Principal amount
less current portion	$ (365,600)	$ 0
Noncurrent portion	825,000	476,400
Deferred financing costs
less current portion	(5,463)	0
Noncurrent portion	19,100	4,100
Net carrying amount
less current portion	(360,112)	0
Noncurrent portion	805,911	472,334
2027 Convertible Notes
Principal amount
Principal amount, convertible notes	190,600	476,400
Deferred financing costs
Deferred financing costs, convertible notes	1,400	4,100
Net carrying amount
Net carrying amount, convertible notes	189,200	472,300
2031 Convertible Notes
Principal amount
Principal amount, convertible notes	1,000,000	0
Deferred financing costs
Deferred financing costs, convertible notes	23,100	0
Net carrying amount
Net carrying amount, convertible notes	$ 976,900	$ 0