XML 103 R73.htm IDEA: XBRL DOCUMENT
v3.23.1

Investments In Unconsolidated Joint Ventures (Narrative) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 item
Mt. Gravatt [Member] |
Schedule of Equity Method Investments [Line Items] |
Number of screens on property | 16
Interest | 33.30%
Rialto Cinemas [Member] |
Schedule of Equity Method Investments [Line Items] |
Number of movie theatre | 2
Number of screens on property | 13
Interest | 50.00%

X
- Definition Number Of Movie Theatre + References No definition available. + Details
Name: | rdi_NumberOfMovieTheatre
Namespace Prefix: | rdi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Screens On Property + References No definition available. + Details
Name: | rdi_NumberOfScreensOnProperty
Namespace Prefix: | rdi_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=rdi_MtGravattCinemaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=rdi_RialtoCinemasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |