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RELATED PARTY TRANSACTIONS AND BALANCES (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |
Sales |  |  | $ 3,987
Related party balances: |  |  |
Amounts due from related parties |  | $ 129 |
Amounts due to related parties | $ 10,815 | 5,150 |
Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due from related parties |  | 129 |
Amounts due to related parties | 10,815 | 5,150 |
Purchases of Fixed Assets [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | 44,577 | 1,414 | 46,583
Purchases of Fixed Assets [Member] | Nanjing Yidian Huichuang information technology Co., Ltd [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases |  | 1,218 | 8,690
Purchases of Raw Materials [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | 1,967 | 560 | 3,325
Purchases of Raw Materials [Member] | Nanjing Yidian Huichuang information technology Co., Ltd [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases |  | 560 | 1,625
Repayment of Interest Free Loans [Member] | Daqo Group [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions | 4,650 | 11,597 |
Proceeds From Related Parties Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions | 13,213 | 22,869 | 20,388
Repayment Of Related Parties Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions | 18,133 | 47,538 | 20,388
Zhengjiang Daqo Solar Co. Ltd [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Sales |  |  | 3,987
Zhengjiang Daqo Solar Co. Ltd [Member] | Proceeds From Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions |  | 4,349 |
Zhengjiang Daqo Solar Co. Ltd [Member] | Repayment of Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions |  | 4,349 |
Daqo Solar Co Ltd [Member] | Proceeds From Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions | 13,213 | 18,520 | 16,005
Daqo Solar Co Ltd [Member] | Repayment of Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions | 13,483 | 18,412 | 16,005
Daqo New Material [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due to related parties | 4,673 | 4,549 |
Chongqing Daqo Tailai [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due to related parties | 2,085 | 55 |
Chongqing Daqo Tailai [Member] | Purchases of Fixed Assets [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | 17,812 | 111 | 15,212
Chongqing Daqo Tailai [Member] | Proceeds From Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions |  |  | 2,541
Chongqing Daqo Tailai [Member] | Repayment of Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions |  | 5,049 | 2,541
Jiangsu Daqo [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due to related parties | 612 | 5 |
Jiangsu Daqo [Member] | Purchases of Fixed Assets [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | 5,299 |  | 4,115
Nanjing Daqo Electric [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due to related parties | 981 |  |
Nanjing Daqo Electric [Member] | Purchases of Fixed Assets [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | 8,553 | 45 | 6,229
Other Subsidiaries of Daqo Group [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due from related parties |  | 25 |
Amounts due to related parties | 504 | 371 |
Zhenjiang Electric Equipment Co Ltd [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due to related parties | 231 |  |
Zhenjiang Electric Equipment Co Ltd [Member] | Purchases of Raw Materials [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | 1,967 |  | 1,700
Nanjing Daqo Transformer [Member] | Continuing Operations |  |  |
Related party balances: |  |  |
Amounts due from related parties |  | 104 |
Amounts due to related parties | 1,729 | 170 |
Nanjing Daqo Transformer [Member] | Purchases of Fixed Assets [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Purchases | $ 12,913 | 40 | 12,337
Nanjing Daqo Transformer [Member] | Proceeds From Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions |  |  | 1,842
Nanjing Daqo Transformer [Member] | Repayment of Interest Free Loans [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Other transactions |  | $ 8,131 | $ 1,842

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