Name:	gecc_CollateralFairValue
Namespace Prefix:	gecc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The net amount relating to our derivative liability, after consideration of collateral posted and outstanding interest payments, but excluding embedded derivatives

No definition available.

Name:	gecc_DerivativeLiabilityAfterCollateralAndOutstandingInterestPaymentsExcludingEmbeddedDerivatives
Namespace Prefix:	gecc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of the Company's exposure to counterparties, including interest due, net of collateral held, but excluding embedded derivatives

No definition available.

Name:	gecc_ExposureToCounterpartiesIncludingInterestNetCollateralExcludingDerivatives
Namespace Prefix:	gecc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4H

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959

Name:	us-gaap_CollateralAlreadyPostedAggregateFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5086-111524