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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Additional Information) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Allowance for credit losses |  |  |
Allowance for credit losses | $ 18,072 | $ 0 | $ 0
Property, Plant and Equipment |  |  |
Interest expense capitalized | 0 | 0 | 0
Inventories |  |  |
Inventory write-down | 81,398 | 4,519 | 0
Prepaid land use rights |  |  |
Lease expense | 3,300 | 2,400 | 1,200
Impairment of long-lived assets |  |  |
Long-lived asset impairment | 175,600 | 0 | 0
Revenue recognition |  |  |
Contract with customer, liability | 58,676 | 262,841 |
Contract with customer, liability, revenue recognized | 149,000 | 122,000 |
Advances from customers expected to be recognized in revenue | 58,700 |  |
Government subsidies |  |  |
Unrestricted cash government subsidies | 3,300 | 85,500 | 3,200
Proceeds from government grants related to fixed assets | 0 | 0 | 0
Share-based compensation | 68,081 | 149,758 | 314,973
Foreign currency translation |  |  |
Aggregate amount of cash and cash equivalents and restricted cash denominated in RMB | 2,135,200 | 2,829,100 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 |  |  |
Revenue recognition |  |  |
Advances from customers expected to be recognized in revenue | $ 37,200 |  |
Expected timing of satisfaction, period | 1 year |  |
Shipping and Handling |  |  |
Shipping and handling |  |  |
Cost of goods and services sold | $ 11,400 | $ 14,300 | $ 15,900

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