Area of undeveloped land.

No definition available.

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Period Type:	duration

- Definition

Lessee lease remaining term of contract excluding land.

+ References

No definition available.

+ Details

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Namespace Prefix:	gden_
Data Type:	xbrli:durationItemType
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- Definition

Lessee lease renewal term.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Lessee lease termination period of contract.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	gden_
Data Type:	xbrli:integerItemType
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- Definition

Number of tavern leases.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of land held.

+ References

No definition available.

+ Details

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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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 25
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=77888369&loc=SL77918431-209957

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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=119202524&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=118952077&loc=SL77927221-108306

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

- Details

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- Details

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Name:	srt_RangeAxis=srt_MaximumMember
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- Details

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Data Type:	na
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- Details

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- Details

Name:	srt_StatementGeographicalAxis=stpr_NV
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- Details

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- Details

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Balance Type:
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- Details

Name:	srt_CounterpartyNameAxis=gden_MarylandDNRMember
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Leases (Details Textual) $ in Millions	12 Months Ended
Leases (Details Textual) $ in Millions	Dec. 31, 2019 USD ($) a Parcel Lease	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Lessor Lease Description [Line Items]
ROU asset write off	$ 9.0
Number of tavern leases \| Lease	9
Rental revenue		$ 7.5	$ 1.3
Space Agreements [Member]
Lessor Lease Description [Line Items]
Operating lease rental expense		39.0	37.1
Related Party Leases [Member]
Lessor Lease Description [Line Items]
Operating lease rental expense		1.6	2.0
Other Operating Leases [Member]
Lessor Lease Description [Line Items]
Operating lease rental expense		$ 15.1	$ 13.4
Minimum [Member]
Lessor Lease Description [Line Items]
Lease remaining term of contract excluding land	1 year
Operating leases renewal term	1 year
Operating leases, termination period	60 days
Maximum [Member]
Lessor Lease Description [Line Items]
Lease remaining term of contract excluding land	28 years
Operating leases renewal term	15 years
Operating leases, termination period	1 year
Carson City [Member]
Lessor Lease Description [Line Items]
Acres of undeveloped land \| a	4.5
Gold Town Casino [Member] \| Nevada [Member]
Lessor Lease Description [Line Items]
Number of leased parcels of land \| Parcel	4
Tavern Leases [Member]
Lessor Lease Description [Line Items]
ROU asset write off	$ 3.0
Rocky Gap State Park [Member] \| Maryland DNR [Member]
Lessor Lease Description [Line Items]
Area of the Property \| a	270
Laughlin Event Center [Member] \| Nevada [Member]
Lessor Lease Description [Line Items]
Area of the Property \| a	20