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SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020
Concentration Risk [Line Items] |  |  |
Interest receivable |  | $ 2,500,000 |
Allowance for credit losses | $ 0 | $ 0 |
Mineral rights |  |  |
Concentration Risk [Line Items] |  |  |
Property, plant and equipment, useful life | 35 years | 33 years | 23 years
Product sales | Customer concentration risk | Shenghe | Shenghe |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 90.00% |

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