Capital lease financing amount to be paid.

No definition available.

Name:	gden_CapitalLeaseFinancingAmountToBePaid
Namespace Prefix:	gden_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Capital lease payment period.

+ References

No definition available.

+ Details

Name:	gden_CapitalLeasePaymentPeriod
Namespace Prefix:	gden_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Capital leases, lease term.

+ References

No definition available.

+ Details

Name:	gden_CapitalLeasesLeaseTerm
Namespace Prefix:	gden_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease expiration month and year.

+ References

No definition available.

+ Details

Name:	gden_LeaseExpirationMonthAndYear
Namespace Prefix:	gden_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease expiration year.

+ References

No definition available.

+ Details

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

Outstanding capital lease financing amount to be financed.

+ References

No definition available.

+ Details

Name:	gden_OutstandingCapitalLeaseFinancingAmountToBeFinanced
Namespace Prefix:	gden_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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 lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LessorLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919372-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=109225645&loc=SL77927221-108306

+ Details

Name:	us-gaap_OperatingLeaseLeaseIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77910348&loc=d3e34039-112682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

+ Details

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

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_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:	srt_StatementGeographicalAxis=stpr_NV
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_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_AmericanLeasesMember
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:	srt_CounterpartyNameAxis=gden_MarylandDNRMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=gden_PerRoomPerNightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_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:

- Details

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

Leases (Details Textual)	12 Months Ended
Leases (Details Textual)	Dec. 31, 2018 USD ($) a Parcel $ / Room $ / RoundofGolf	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Lessor Lease Description [Line Items]
Operating Leases, Rent Expense	$ 55,674,000	$ 52,543,000	$ 55,061,000
Capital lease financing amount to be paid	3,400,000
Outstanding capital lease financing amount to be financed	$ 2,100,000
Capital lease financing agreement, payment period	36 months
Maximum [Member]
Lessor Lease Description [Line Items]
Operating Leases Renewal Term	15 years
Original Terms of Current Branded Tavern Location Leases Range	15 years
Capital Leases Term	4 years
Minimum [Member]
Lessor Lease Description [Line Items]
Operating Leases Renewal Term	1 year
Original Terms of Current Branded Tavern Location Leases Range	1 year
Office Headquarters [Member]
Lessor Lease Description [Line Items]
Lease expiration date	2030-12
Office Headquarters [Member] \| Maximum [Member]
Lessor Lease Description [Line Items]
Rental Income Related to Sublease	$ 100,000	100,000	100,000
Nevada [Member] \| Gold Town Casino [Member]
Lessor Lease Description [Line Items]
Operating Leases, Rent Expense	$ 700,000	500,000	600,000
Number of Leased Parcels of Land \| Parcel	4
Area of Land \| a	9
Nevada [Member] \| Gold Town Casino [Member] \| Sublease to Unrelated Third Party [Member]
Lessor Lease Description [Line Items]
Area of Land \| a	2
Rental Income Related to Sublease	$ 200,000
Nevada [Member] \| Gold Town Casino [Member] \| Sublease to Unrelated Third Party [Member] \| Maximum [Member]
Lessor Lease Description [Line Items]
Rental Income Related to Sublease		100,000	100,000
American Leases [Member]
Lessor Lease Description [Line Items]
Rental revenue	$ 7,500,000
Rocky Gap State Park [Member] \| Maryland DNR [Member]
Lessor Lease Description [Line Items]
Area of the Property \| a	270
Operating Leases Renewal Term	20 years
Lease expiration year	2052
Operating Leases, Rent Due	$ 300,000
Operating Leases, Revenue Percent	0.90%
Operating Leases, Rent Expense	$ 300,000	300,000	300,000
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Per Room Per Night [Member]
Lessor Lease Description [Line Items]
Operating Leases, Surcharge Revenue, Per Unit \| $ / Room	3.00
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Per Round Of Golf [Member]
Lessor Lease Description [Line Items]
Operating Leases, Surcharge Revenue, Per Unit \| $ / RoundofGolf	1.00
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Surcharge Revenue [Member]
Lessor Lease Description [Line Items]
Operating Lease, Base Revenue	$ 200,000
Operating Leases, Rent Expense	100,000	$ 100,000	$ 100,000
Rocky Gap State Park [Member] \| Maryland DNR [Member] \| Excess Surcharge Revenue [Member]
Lessor Lease Description [Line Items]
Operating Leases, Rent Expense	$ 200,000