XML 52 R42.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Activity Related To Time-based Restricted Stock Units (RSUs) and Performance-based Restricted Stock Units (PSUs) (Parenthetical) (Details) - Performance Stock Units (PSUs) [Member] - 2015 Plan [Member] | 6 Months Ended
--- | ---
Jun. 30, 2020 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Actual number of PSUs granted to each recipient, eligible to vest | 62,791
Percentage of target number of PSU's eligible to vest at "maximum" performance level | 200.00%

X
- Definition Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, eligible to vest upon condition. + References No definition available. + Details
Name: | gden_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodEligibleToVestUponCondition
Namespace Prefix: | gden_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=gden_TwentyFifteenPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |