Summary of Significant Accounting Policies (Details)	Feb. 22, 2012
Summary of Significant Accounting Policies [Abstract]
Number Of Converted Shares Of Common Stock	1,000

The number of shares of GECC common stock that were converted from a combination of all of the GECS outstanding common and referred stock as a result of the merger of GECS and GECC

No definition available.

Name:	gecc_NumberOfConvertedSharesOfCommonStock
Namespace Prefix:	gecc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant