NET LOSS PER SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2024	Jun. 30, 2024	Jun. 30, 2024	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net loss	$ (291,149)	$ (902,157)	$ (691,466)	$ (1,146,725)	$ (1,437,874)	$ (246,487)	$ (2,146,318)
Basic net loss					(1,245,289)	(246,487)	(2,146,318)
Diluted net loss					$ (1,245,289)	$ (246,487)	$ (2,146,318)
Denominator:
Weighted average shares outstanding – basic (in shares)					255,832	379,863	340,647
Weighted average shares outstanding - diluted (in shares)					255,832	379,863	340,647
Net loss per share - basic (in dollars per share)	$ (0.69)	$ (5.05)	$ (3.34)	$ (4.09)	$ (4.87)	$ (0.65)	$ (6.30)
Net loss per share - diluted (in dollars per share)	$ (0.69)	$ (5.05)	$ (3.34)	$ (4.09)	$ (4.87)	$ (0.65)	$ (6.30)
Warrant Tranche 2
Numerator:
Add: Change in fair value of Tranche 2 Warrants					$ 192,585	$ 0	$ 0