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INCOME TAXES (Narrative) (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014
Operating Loss Carryforwards [Line Items] |
Expiration of net operating losses carried forward | Dec. 31, 2018
Xinjiang Daqo New Energy Co., Ltd. [Member] |
Operating Loss Carryforwards [Line Items] |
Net operating losses carried forward, subject to expiration | 109,398,425 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / dei_LegalEntityAxis = dq_XinjiangDaqoNewEnergyCoLtdMember
Chongqing Daqo New Energy Co., Ltd. [Member] |
Operating Loss Carryforwards [Line Items] |
Net operating losses carried forward | 109,400,000 us-gaap_OperatingLossCarryforwards / dei_LegalEntityAxis = dq_ChongqingDaqoNewEnergyCoLtdMember
Deferred tax assets | 27,400,000 us-gaap_DeferredTaxAssetsLiabilitiesNet / dei_LegalEntityAxis = dq_ChongqingDaqoNewEnergyCoLtdMember
Net operating losses carried forward, subject to expiration |

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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