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DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Debt Instrument [Line Items]
Total debt principal	$ 685,000		$ 685,000
Less: unamortized discount	(81,843)		(82,723)
Total debt	603,157		602,277
Less: current portion	115,492		94,367
Noncurrent portion	487,665		507,910
Related party
Debt Instrument [Line Items]
Less: current portion	59,000	$ 51,500
Senior notes \| Trina Solar AG Note
Debt Instrument [Line Items]
Total debt principal	150,000		150,000
Loans payable \| Trina Solar (U.S.), Inc. Production Reserve Fee
Debt Instrument [Line Items]
Total debt principal	220,000		220,000
Line of credit \| Senior Secured Credit Facility \| Secured debt
Debt Instrument [Line Items]
Total debt principal	235,000		235,000
Convertible debt \| Convertible note - related party \| Related party
Debt Instrument [Line Items]
Total debt principal	$ 80,000		$ 80,000