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LOANS PAYABLE (Collective Capital Trust Plan) (Narrative) (Details) | 1 Months Ended | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 Mr. Guoha Ku [Member] USD ($) | Dec. 31, 2013 Mr. Guoha Ku [Member] CNY | Dec. 31, 2013 Xi'an TCH [Member] USD ($) | Dec. 31, 2013 Xi'an TCH [Member] CNY | Dec. 31, 2014 A1 [Member] | Dec. 31, 2014 A1 [Member] Xi'an TCH [Member] USD ($) | Dec. 31, 2014 A2 [Member] | Dec. 31, 2014 A3 [Member] | Dec. 31, 2014 B Category [Member] | Dec. 31, 2014 B Category [Member] Erdos TCH [Member] USD ($) | Dec. 31, 2014 B Category [Member] Xi'an TCH [Member] USD ($) | Dec. 31, 2014 Capital Trust Loan Agreement [Member] USD ($) | Dec. 31, 2014 Capital Trust Loan Agreement [Member] CNY
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, stated rate |  |  |  |  | 9.94%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsOneMember |  | 11.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsTwoMember | 12.05%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsThreeMember | 8.35%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsFourMember |  |  |  |
Debt instrument maturity term |  |  |  |  | 2 years |  |  | 3 years | 4 years |  |  |  |
Stock unit issued |  |  |  |  |  | $ 235,600 creg_StockIssuedDuringPeriodStockUnits / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember |  |  |  | $ 2,000,000 creg_StockIssuedDuringPeriodStockUnits / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsFourMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ErdosTchMember | $ 7,400,000 creg_StockIssuedDuringPeriodStockUnits / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsFourMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember | $ 44,100,000 creg_StockIssuedDuringPeriodStockUnits / creg_AgreementWithPartiesAxis = creg_CapitalTrustLoanAgreementMember | 300,000,000 creg_StockIssuedDuringPeriodStockUnits / creg_AgreementWithPartiesAxis = creg_CapitalTrustLoanAgreementMember
Stock unit issued (in units) |  |  |  |  |  | 1,600,000 creg_StockIssuedDuringPeriodSharesStockUnits / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsOneMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember |  |  |  | 13,750,000 creg_StockIssuedDuringPeriodSharesStockUnits / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsFourMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_ErdosTchMember | 46,250,000 creg_StockIssuedDuringPeriodSharesStockUnits / us-gaap_DebtInstrumentAxis = creg_PreferredTrustFundUnitsFourMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember |  |
Long-term debt, gross | 1,250,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_TitleOfIndividualAxis = creg_MrGuohaKuMember | 7,650,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_TitleOfIndividualAxis = creg_MrGuohaKuMember | 7,590,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember | 46,250,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember |  |  |  |  |  |  |  |  |
Debt instrument, increase, accrued interest | $ 75,000 us-gaap_DebtInstrumentIncreaseAccruedInterest / us-gaap_TitleOfIndividualAxis = creg_MrGuohaKuMember | 459,000 us-gaap_DebtInstrumentIncreaseAccruedInterest / us-gaap_TitleOfIndividualAxis = creg_MrGuohaKuMember | $ 460,000 us-gaap_DebtInstrumentIncreaseAccruedInterest / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember | 2,780,000 us-gaap_DebtInstrumentIncreaseAccruedInterest / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = creg_XianTchMember |  |  |  |  |  |  |  |  |

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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 Increase for accrued, but unpaid interest on the debt instrument for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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