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LOANS PAYABLE (Trust Loan - Zhongrong International Trust - Xuzhou Zhongtai and Tangshan Rongfeng) (Narrative) (Details) | 12 Months Ended |  | 12 Months Ended |
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Dec. 31, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd One [Member] USD ($) | Dec. 31, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd One [Member] Zhongtai [Member] USD ($) | Feb. 17, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd One [Member] Zhongtai [Member] USD ($) | Feb. 17, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd One [Member] Zhongtai [Member] CNY | Dec. 31, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd Two [Member] Rongfeng [Member] USD ($) | Feb. 17, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd Two [Member] Rongfeng [Member] USD ($) | Feb. 17, 2014 Trust Loan Agreement With Zhongrong International Trust Co Ltd Two [Member] Rongfeng [Member] CNY
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 24,500,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ZhongtaiMember | 150,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ZhongtaiMember |  | $ 22,100,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_RongfengMember | 135,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_RongfengMember
Long-term Debt, Gross |  | 24,450,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ZhongtaiMember |  |  | 21,920,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_RongfengMember |  |
Debt Instrument Repayment Of Principal Percentage One |  | 30.00%creg_DebtInstrumentRepaymentOfPrincipalPercentageOne / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ZhongtaiMember |  |  | 30.00%creg_DebtInstrumentRepaymentOfPrincipalPercentageOne / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_RongfengMember |  |
Debt Instrument Repayment Of Principal Percentage Two |  | 30.00%creg_DebtInstrumentRepaymentOfPrincipalPercentageTwo / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ZhongtaiMember |  |  | 30.00%creg_DebtInstrumentRepaymentOfPrincipalPercentageTwo / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_RongfengMember |  |
Debt Instrument Repayment Of Principal Percentage Three |  | 40.00%creg_DebtInstrumentRepaymentOfPrincipalPercentageThree / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ZhongtaiMember |  |  | 40.00%creg_DebtInstrumentRepaymentOfPrincipalPercentageThree / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_RongfengMember |  |
Interest Paid, Capitalized | $ 3,000,000 us-gaap_InterestPaidCapitalized / us-gaap_DebtInstrumentAxis = creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember |  |  |  |  |  |
Debt Instrument Maturity In Years | 4 years |  |  |  |  |  |

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- Definition he first percentage of repayment of principal under the trust plan. + References No definition available. + Details
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- Definition The third percentage of repayment of principal under the trust plan. + References No definition available. + Details
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- Definition The second percentage of repayment of principal under the trust plan. + References No definition available. + Details
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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition The amount of cash paid during the current period for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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