Related Party Transactions (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Related Party Transaction [Line Items]
Stock options granted in period	847,000	160,000
Grant of options exercise price	$ 7.70	$ 10.24
Net revenues	$ 91,522,000	$ 78,472,000
Gaming Expenses	$ 62,887,000	55,491,000
Maximum [Member]
Related Party Transaction [Line Items]
Lease for tavern locations remaining terms range	14 years
Mr. Sartini [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Reimbursement expense paid	$ 100,000
Due to related parties	100,000
Son of Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 79,000
Percentage of eligible annual bonus on base salary	50.00%
Stock options granted in period	75,000
Grant of options exercise price	$ 13.50
Stock options vesting period	4 years
Executive Vice President and Chief Legal Officer [Member]
Related Party Transaction [Line Items]
Net revenues	$ 300,000
Gaming Expenses	300,000
Executive Vice President and Chief Legal Officer [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Due from related parties	0
Immediate Family Member of Management or Principal Owner [Member]
Related Party Transaction [Line Items]
Net revenues		500,000
Gaming Expenses		400,000
Director [Member]
Related Party Transaction [Line Items]
Net revenues		100,000
Gaming Expenses		100,000
Lyle A. Berman [Member]
Related Party Transaction [Line Items]
Due to related parties	0
Annual director fees	200,000
Consulting agreement expenses, related party	100,000	100,000
Timothy J. Cope [Member]
Related Party Transaction [Line Items]
Consulting agreement expenses, related party		100,000
Payments related to consulting agreements	$ 140,000
Office Headquarters and Tavern Lease [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Lease for tavern locations remaining terms range	15 years
Office Headquarters and Tavern Lease [Member] \| Mr. Sartini [Member]
Related Party Transaction [Line Items]
Percentage of counterparty ownership by related party	33.00%
Office Headquarters and Tavern Lease [Member] \| Mr. Sartini's Immediate Family Members [Member]
Related Party Transaction [Line Items]
Percentage of counterparty ownership by related party	5.00%
Office Headquarters and Tavern Lease [Member] \| Stephen Arcana [Member]
Related Party Transaction [Line Items]
Percentage of counterparty ownership by related party	3.00%
Office Headquarters [Member]
Related Party Transaction [Line Items]
Lease expiration date	Jul. 31, 2025
Office Headquarters [Member] \| Mr. Sartini [Member]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 300,000	300,000
Rent expense payable to related party	0
Tavern Leases [Member] \| Mr. Sartini [Member]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	300,000	$ 400,000
Rent expense payable to related party	0
Office Headquarters Lease [Member] \| Mr. Sartini [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Rental income for sublet portion	100,000
Base Salary [Member] \| Son of Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 375,000

Consulting agreement expenses, related party.

No definition available.

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Namespace Prefix:	gden_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Payments related to consulting agreements.

+ References

No definition available.

+ Details

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

- Definition

Represents the ownership percentage by a related party of the counterparty that participates in a financial transaction.

+ References

No definition available.

+ Details

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

- Definition

Reimbursement expense paid.

+ References

No definition available.

+ Details

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

- Definition

The annual target annual bonus that a related party is eligible for within the next twelve months of the reporting period.

+ References

No definition available.

+ Details

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- Definition

Rent expense payable to related party.

+ 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

Revenues generated by casino operations. Also includes revenues generated by and derived from a hotel's, including cruise lines, gaming operations; likewise, such revenues may be derived from gaming operations that also are hoteliers.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
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Balance Type:	credit
Period Type:	duration

- Definition

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

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-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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

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

- Definition

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

+ References

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-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

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

- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))
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-Section 45
-Paragraph 3
-Subparagraph (k)
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of transactions with related party during the financial reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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+ Details

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

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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

- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
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Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
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- Details

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- Details

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Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gden_LyleABermanMember
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gden_TimothyJCopeMember
Namespace Prefix:
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- Details

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Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gden_StephenArcanaMember
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