FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Financial Liabilities for Instruments not Remeasured at Fair Value on a Recurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	$ 127,287	$ 109,525
Green Convertible Notes
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	207,659	233,125
Related party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	99,821	98,481
Third-party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	27,466	11,044
Level 1
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 1 | Green Convertible Notes
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 1 | Related party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 1 | Third-party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 2
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 2 | Green Convertible Notes
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 2 | Related party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 2 | Third-party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	0	0
Level 3
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	127,287	109,525
Level 3 | Green Convertible Notes
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	207,659	233,125
Level 3 | Related party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	99,821	98,481
Level 3 | Third-party bonds
Fair Value Liabilities Not Measured On Recurring Basis [Line Items]
Total bonds	$ 27,466	$ 11,044