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Subsequent Events (Details Textual)	Jul. 10, 2020 County
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of counties affecting new emergency order	7

X

- Definition

Number of counties affecting new emergency order.

+ References

No definition available.

+ Details

Name:	gden_NumberOfCountiesAffectingNewEmergencyOrder
Namespace Prefix:	gden_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: