Capital leases, lease term.

No definition available.

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Period Type:	duration

- Definition

Commitments and contingencies.

+ References

No definition available.

+ Details

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- Definition

Amount that the Company could be liable for estimated severance payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	gden_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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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/2003/role/presentationRef
-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

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

- 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

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

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

+ Details

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

- Definition

States the date the complaint was formally filed in a court of law, in arbitration or mediation.

+ References

Reference 1: 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=82911808&loc=d3e14557-108349

Reference 2: 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=82911808&loc=d3e14435-108349

Reference 3: 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=82911808&loc=d3e14326-108349

+ Details

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

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

+ 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 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

- Details

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Period Type:

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=gden_BlakeLSartiniIIMember
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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_CounterpartyNameAxis=gden_GaryAVecchiarelliMember
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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_OtherCommitmentsAxis=gden_ParticipationAndRevenueShareAgreementsMember
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Balance Type:
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- Details

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Balance Type:
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- Details

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- Details

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Commitments and Contingencies (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Commitments And Contingencies [Line Items]
Gaming Expenses	$ 65,364	$ 65,261	$ 197,175	$ 184,293
Other Operating Expenses	1,155	1,247	3,861	3,193
Loss Contingency, Estimate of Possible Loss	1,500		$ 1,500
Class action lawsuits filed by former employees			February and April 2017
Number of class action lawsuits filed by former employees			2
Mr. Sartini [Member]
Commitments And Contingencies [Line Items]
Liability Contingency, Estimated Severance Payments	6,100		$ 6,100
Stephen Arcana [Member]
Commitments And Contingencies [Line Items]
Liability Contingency, Estimated Severance Payments	1,900		1,900
Charles H. Protell [Member]
Commitments And Contingencies [Line Items]
Liability Contingency, Estimated Severance Payments	1,900		1,900
Sean T. Higgins [Member]
Commitments And Contingencies [Line Items]
Liability Contingency, Estimated Severance Payments	1,600		1,600
Blake L. Sartini II [Member]
Commitments And Contingencies [Line Items]
Liability Contingency, Estimated Severance Payments	700		700
Gary A. Vecchiarelli [Member]
Commitments And Contingencies [Line Items]
Liability Contingency, Estimated Severance Payments	400		400
Participation and Revenue Share Agreements [Member]
Commitments And Contingencies [Line Items]
Gaming Expenses	35,400	33,200	107,000	94,100
Participation and Revenue Share Agreements [Member] \| Related Party Transaction, Revenue Share and Participation Agreement [Member]
Commitments And Contingencies [Line Items]
Gaming Expenses	300	600	800	1,600
Revenue Share Agreements [Member]
Commitments And Contingencies [Line Items]
Other Operating Expenses	$ 200	$ 300	$ 1,000	$ 700
Maximum [Member]
Commitments And Contingencies [Line Items]
Original Terms of Current Branded Tavern Location Leases Range			15 years
Operating Leases Renewal Term			15 years
Capital Leases Term			4 years
Minimum [Member]
Commitments And Contingencies [Line Items]
Original Terms of Current Branded Tavern Location Leases Range			1 year
Operating Leases Renewal Term			1 year
Capital Leases Term			3 years