ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued Liabilities and Other Liabilities [Abstract]
Product warranty, current	$ 14,843	$ 20,922
Payables for purchase of property, plant and equipment	28,755	18,500
Other current liabilities	11,676	10,636
Accrued payroll and welfare	3,987	3,476
Accrued expenses	3,591	2,444
Interest payable	1,349	1,836
Other tax payable	486	926
Operating lease liabilities, current	2,106	0
Total	$ 66,793	$ 58,740