ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accrued Liabilities and Other Liabilities [Abstract]
Payables for purchase of property, plant and equipment	$ 43,249	$ 45,983
Other current liabilities	48,163	13,776
Product warranty, current	10,341	9,999
Accrued expenses	12,893	9,570
Accrued payroll and welfare	4,511	8,596
Other tax payable	5,462	7,399
Operating lease liabilities, current	2,849	3,039
Interest payable	1,302	94
Total	$ 128,770	$ 98,456