v2.4.0.6

Noncontrolling Interests (Components Of Noncontrolling Interests) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Noncontrolling Interest [Line Items] |  |
Noncontrolling interests in consolidated subsidiaries | $ 4,098 | $ 1,235
Angelika Center [Member] |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interests in consolidated subsidiaries | 1,737 | 1,125
Australia Country Cinemas [Member] |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interests in consolidated subsidiaries | 601 | 360
Shadow View Land And Farming LLC [Member] |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interests in consolidated subsidiaries | 1,912 |
Sutton Hill Properties [Member] |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interests in consolidated subsidiaries | $ (152) | $ (250)

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- Definition Noncontrolling interests in consolidated subsidiaries. + References No definition available. + Details
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Namespace Prefix: | rdi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration