EARNINGS PER SHARE (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Numerator used in basic and diluted earnings per share:
Net income (loss) attributable to Daqo New Energy Corp. ordinary shareholders-basic	$ 16,649,176	$ (70,943,484)	$ (111,928,891)
Net income (loss) attributable to Daqo New Energy Corp. ordinary shareholders-diluted	$ 16,649,176	$ (70,943,484)	$ (111,928,891)
Denominator used in basic and diluted earnings per share:
Weighted average number of ordinary shares outstanding used in computing earnings per share-basic	206,349,976	173,068,420	175,067,343
Plus: share options	5,003,667
Weighted average number of ordinary shares outstanding used in computing earnings per share - diluted	211,353,643	173,068,420	175,067,343
NET (LOSS) INCOME ATTRIBUTABLE TO DAQO NEW ENERGY CORP. PER ORDINARY SHARE-Basic	$ 0.08us-gaap_EarningsPerShareBasic	$ (0.41)us-gaap_EarningsPerShareBasic	$ (0.64)us-gaap_EarningsPerShareBasic
NET (LOSS) INCOME ATTRIBUTABLE TO DAQO NEW ENERGY CORP. PER ORDINARY SHARE-Diluted	$ 0.08us-gaap_EarningsPerShareDiluted	$ (0.41)us-gaap_EarningsPerShareDiluted	$ (0.64)us-gaap_EarningsPerShareDiluted
Outstanding employee options excluded from computation of diluted earnings per share	6,154,166	6,371,250	7,179,500

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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