XML 170 R133.htm IDEA: XBRL DOCUMENT
v3.21.1

Business Combinations (Narrative) (Details) $ in Thousands, $ in Thousands | Dec. 31, 2020 USD ($) | [1] | Mar. 31, 2020 USD ($) | [2] | Dec. 03, 2019 USD ($) | [2] | Dec. 03, 2019 AUD ($) | Jan. 30, 2019 USD ($) | [1] | Jan. 30, 2019 AUD ($)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Devonport, Tasmania, Australia [Member] |  |  |  |  |  |
Assets acquired | $ 1,378 |  |  |  | $ 1,401 | $ 1,950
State Cinema Hobart, Tasmania, Australia [Member] |  |  |  |  |  |
Assets acquired |  | $ 6,180 | $ 6,180 | $ 9,000 |  |
[1] | The balances were translated into U.S. Dollars based on the applicable exchange rate as of the date of acquisition, January 30, 2019.
[2] | The balances were translated into U.S. Dollars based on the applicable exchange rate as of the date of acquisition, December 3, 2019.

X
- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_StatementGeographicalAxis=rdi_DevonportTasmaniaAustraliaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=rdi_StateCinemaHobartTasmaniaAustraliaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |