XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.19.1

Investment in Sales-Type Leases, Net (Details Textual) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Feb. 15, 2019 | Mar. 31, 2019
Investment in Sales-Type Leases, Net (Textual) |  |
Sale leaseback transaction lease, Terms |  | (i) BMPG systems to Pucheng Phase I and II (15 and 11 year terms, respectively); (ii) BMPG systems to Shenqiu Phase I (11-year term); and (iii) BMPG systems to Shenqiu Phase II (9.5-year term).
Projects Transfer Agreement [Member] |  |
Investment in Sales-Type Leases, Net (Textual) |  |
Transfer agreement, descriptions | Xi'an TCH transferred Shenqiu Phase I and II Projects to Mr. Bai for RMB 127,066,000 ($18.55 million). Mr. Bai agreed to transfer all the equity shares of his wholly owned company, Xi'an Hanneng, to HYREF as repayment for the loan made by Xi'an Zhonghong to HYREF. |

X
- References No definition available. + Details
Name: | creg_InvestmentInSalesTypeLeasesNetTextualAbstract
Namespace Prefix: | creg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfer agreement, descriptions. + References No definition available. + Details
Name: | creg_TransferAgreementDescriptions
Namespace Prefix: | creg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982 + Details
Name: | us-gaap_SaleLeasebackTransactionLeaseTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | creg_AgreementAxis=creg_ProjectsTransferAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |