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Note 11 - Commitments and Contingencies (Details Textual)	3 Months Ended		12 Months Ended	34 Months Ended
	Mar. 31, 2016 USD ($) a	Mar. 29, 2015 USD ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2016 USD ($) a
Rocky Gap State Park [Member] | Maryland DNR [Member] | Surcharge Revenue [Member]
Operating Leases, Rent Expense	$ 100,000	$ 100,000		$ 150,000
Operating Lease, LeaseTerms, Base Revenue				150,000
Rocky Gap State Park [Member] | Maryland DNR [Member] | Per Room Per Night [Member]
Operating Leases, Surcharge Revenue, Per Unit				3
Rocky Gap State Park [Member] | Maryland DNR [Member] | Per Round Of Golf [Member]
Operating Leases, Surcharge Revenue, Per Unit				$ 1
Rocky Gap State Park [Member] | Maryland DNR [Member]
Area of Real Estate Property | a	270			270
Lessee Leasing Arrangements, Operating Leases, Renewal Term	20 years
Operating Leases, Rent Expense				$ 275,000
Operating Leases, Income Statement, Percent Revenue, Percent				0.90%
Pahrump, Nevada [Member] | Gold Town Casino [Member] | Sublease to Unrelated Third Party [Member] | Maximum [Member]
Operating Leases, Income Statement, Sublease Revenue	$ 100,000
Pahrump, Nevada [Member] | Gold Town Casino [Member] | Sublease to Unrelated Third Party [Member]
Area of Land | a	2			2
Pahrump, Nevada [Member] | Gold Town Casino [Member]
Number of Leased Parcels	4
Area of Land | a	9			9
Office Headquarters [Member] | Maximum [Member]
Operating Leases, Income Statement, Sublease Revenue	$ 100,000
Maximum [Member]
Lessee Leasing Arrangements, Operating Leases, Renewal Term	15 years
Lessee Leasing Arrangements, Operating Leases, Term of Contract	14 years
Minimum [Member]
Lessee Leasing Arrangements, Operating Leases, Renewal Term	1 year
Lessee Leasing Arrangements, Operating Leases, Term of Contract	1 year
Participation and Revenue Share Agreements [Member] | Related Party Transaction, Revenue Share and Participation Agreement [Member]
Casino Expenses	$ 500,000
Participation and Revenue Share Agreements [Member]
Casino Expenses	28,200,000	0
Jerry Argovitz Litigation [Member]
Loss Contingency, Damages Sought, Value			$ 1,000,000
Operating Leases, Rent Expense	13,566,000	112,000
Casino Expenses	$ 55,491,000	$ 6,065,000

X

- Definition

The number of parcels of land leased by the reporting entity.

+ References

No definition available.

+ Details

Name:	gden_NumberOfLeasedParcels
Namespace Prefix:	gden_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The base amount of revenue, if recognized during the period, that is subject to specific terms and conditions of a lease agreement.

+ References

No definition available.

+ Details

Name:	gden_OperatingLeaseLeaseTermsBaseRevenue
Namespace Prefix:	gden_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

This element defines the percent of revenue that is subject to collection under the terms of a defined lease agreement.

+ References

No definition available.

+ Details

Name:	gden_OperatingLeasesIncomeStatementPercentRevenuePercent
Namespace Prefix:	gden_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of surcharge revenue recognized from collections from guests, per unit.

+ References

No definition available.

+ Details

Name:	gden_OperatingLeasesSurchargeRevenuePerUnit
Namespace Prefix:	gden_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents the cost of generating revenues from a hotel's, including cruise lines, gaming operations; likewise, such revenues may be derived from gaming operations that also are hoteliers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_CasinoExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

X

- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of revenue recognized for the period under subleasing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719

+ Details

Name:	us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=gden_RockyGapStateParkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CounterpartyNameAxis=gden_MarylandDNRMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=gden_SurchargeRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=gden_PerRoomPerNightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=gden_PerRoundOfGolfMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=gden_PahrumpNevadaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=gden_GoldTownCasinoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=gden_SubleaseToUnrelatedThirdPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=gden_OfficeHeadquartersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=gden_ParticipationAndRevenueShareAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=gden_RelatedPartyTransactionRevenueShareAndParticipationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationCaseAxis=gden_JerryqArgovitzLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: