XML 108 R91.htm IDEA: XBRL DOCUMENT
v3.20.2

Segment Information - Additional Information (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 ft² segment numberOfBallrooms | Sep. 30, 2020 ft² u_eriRegionorSegment numberOfBallrooms
Segment Reporting Information [Line Items] |  |
Total number of geographic regions |  | 5
Total number of reportable segments |  | 5
Number of geographic regions |  | 3
Number of reportable segments | 3 | 3
Area of room | ft² | 300,000 | 300,000
Number of ballrooms | numberOfBallrooms | 2 | 2
Conference Center |  |
Segment Reporting Information [Line Items] |  |
Area of real property leased | ft² | 550,000 | 550,000

X
- Definition Area of Room + References No definition available. + Details
Name: | eri_AreaOfRoom
Namespace Prefix: | eri_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Ballrooms + References No definition available. + Details
Name: | eri_NumberOfBallrooms
Namespace Prefix: | eri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of geographic regions, where the Company's principal operating activities occur. + References No definition available. + Details
Name: | eri_NumberOfGeographicRegion
Namespace Prefix: | eri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total Number of Geographic Regions + References No definition available. + Details
Name: | eri_TotalNumberOfGeographicRegions
Namespace Prefix: | eri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total Number of Reportable Segments + References No definition available. + Details
Name: | eri_TotalNumberOfReportableSegments
Namespace Prefix: | eri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
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 No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=eri_ConferenceCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |