Name:	geg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue
Namespace Prefix:	geg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Share-based compensation arrangement by share-based -payment award, equity instruments other than options probable of vesting, number.

No definition available.

Name:	geg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsProbableOfVestingNumber
Namespace Prefix:	geg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Share-based compensation arrangement by share-based payment, award equity instruments other than options, vested and nonvested outstanding shares.

No definition available.

Name:	geg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndNonvestedOutstandingShares
Namespace Prefix:	geg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the term of performance fees earned in share based compensation arrangements.

No definition available.

Name:	geg_ShareBasedCompensationDurationOfPerformanceFees
Namespace Prefix:	geg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the amount of performance fees that must be earned to avoid forfeiture of share based compensation.

No definition available.

Name:	geg_ShareBasedCompensationPerformanceFeeRequirement
Namespace Prefix:	geg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Stockholders equity note.

No definition available.

Name:	geg_StockholdersEquityNoteLineItems
Namespace Prefix:	geg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

No definition available.