XML 52 R45.htm IDEA: XBRL DOCUMENT v3.25.3

Commitment and Contingencie - Schedule of Unfunded Commitments (Details) $ in Thousands	Sep. 30, 2025 USD ($)
Commitments And Contingencies [Line Items]
Unfunded commitments	$ 46
Investment, Identifier [Axis]: Sirva Worldwide DDTL
Commitments And Contingencies [Line Items]
Unfunded commitments	$ 46

X

- Definition

Commitments and contingencies.

+ References

No definition available.

+ Details

Name:	gecc_CommitmentsAndContingenciesLineItems
Namespace Prefix:	gecc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of financial support committed by investment company to investee that is contractually required but not provided.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-16

+ Details

Name:	us-gaap_InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_InvestmentIdentifierAxis=Sirva Worldwide DDTL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: