XML 38 R28.htm IDEA: XBRL DOCUMENT v3.21.2

Nature of Business and Basis of Presentation - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) numberOfProperty	Sep. 30, 2020 USD ($) shares	Sep. 30, 2021 USD ($) numberOfSegment numberOfProperty	Sep. 30, 2020 USD ($) shares
Nature Of Business And Basis Of Presentation [Line Items]
Number of reportable operating segments | numberOfSegment			2
Anti-dilutive potential common share equivalents excluded (in shares) | shares		653,000		742,232
Revolving Credit Facility
Nature Of Business And Basis Of Presentation [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200,000,000		$ 200,000,000
COVID-19
Nature Of Business And Basis Of Presentation [Line Items]
Reduction in rent expense	$ 0	$ 1,700,000	$ 2,300,000	$ 10,500,000
Nevada and Maryland
Nature Of Business And Basis Of Presentation [Line Items]
Number of resort casino properties | numberOfProperty	10		10

X

- Definition

Nature of business and basis of presentation line items.

+ References

No definition available.

+ Details

Name:	gden_NatureOfBusinessAndBasisOfPresentationLineItems
Namespace Prefix:	gden_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of casino and resort properties.

+ References

No definition available.

+ Details

Name:	gden_NumberOfCasinoAndResortProperties
Namespace Prefix:	gden_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Reduction in rent expense.

+ References

No definition available.

+ Details

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

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

+ Details

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

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

+ Details

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

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_UnusualRiskOrUncertaintyByNatureAxis=gden_COVID19Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=gden_NevadaAndMarylandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: