Lease expiration year.

No definition available.

Name:	gden_LeaseExpirationYear
Namespace Prefix:	gden_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- 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

- 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

- 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

- 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:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- 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

- 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

- 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

- 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

- 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

- 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

- Definition

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34039-112682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

+ Details

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

- Definition

The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

+ Details

Name:	us-gaap_OperatingLeasesRentExpenseSubleaseRentals1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

Commitments and Contingencies (Details Textual)	3 Months Ended			6 Months Ended		37 Months Ended
Commitments and Contingencies (Details Textual)	Jun. 30, 2016 USD ($) a	Mar. 31, 2016 USD ($)	Jun. 28, 2015 USD ($)	Jun. 30, 2016 USD ($) a Parcel	Jun. 28, 2015 USD ($)	Jun. 30, 2016 USD ($) a $ / Room $ / RoundofGolf
Operating Leases, Rent Expense	$ 13,826,000		$ 111,000	$ 27,392,000	$ 223,000
Casino Expenses	63,541,000		6,558,000	119,032,000	12,623,000
Participation and Revenue Share Agreements [Member]
Casino Expenses	32,700,000		0	60,900,000	0
Participation and Revenue Share Agreements [Member] \| Related Party Transaction, Revenue Share and Participation Agreement [Member]
Casino Expenses	$ 300,000		0	$ 800,000	0
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
Office Headquarters [Member]
Lease expiration year				2025
Office Headquarters [Member] \| Maximum [Member]
Operating Leases, Income Statement, Sublease Revenue		$ 100,000		$ 100,000
Pahrump, Nevada [Member] \| Gold Town Casino [Member]
Number of Leased Parcels \| Parcel				4
Area of Land \| a	9			9		9
Pahrump, Nevada [Member] \| Gold Town Casino [Member] \| Sublease to Unrelated Third Party [Member]
Area of Land \| a	2			2		2
Pahrump, Nevada [Member] \| Gold Town Casino [Member] \| Sublease to Unrelated Third Party [Member] \| Maximum [Member]
Operating Leases, Income Statement, Sublease Revenue	$ 100,000			$ 100,000
Rocky Gap State Park [Member] \| Maryland DNR [Member]
Area of Real Estate Property \| a	270			270		270
Lessee Leasing Arrangements, Operating Leases, Renewal Term				20 years
Lease expiration year				2052
Operating Leases, Minimum Rent Due						$ 275,000
Operating Leases, Income Statement, Percent Revenue, Percent						0.90%
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Per Room Per Night [Member]
Operating Leases, Surcharge Revenue, Per Unit \| $ / Room						3.00
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Per Round Of Golf [Member]
Operating Leases, Surcharge Revenue, Per Unit \| $ / RoundofGolf						1.00
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Surcharge Revenue [Member]
Operating Lease, Lease Terms, Base Revenue						$ 150,000
Operating Leases, Rent Expense	$ 100,000		$ 100,000	$ 200,000	$ 200,000	$ 150,000