v2.4.0.8

Business Segments (Results Of Operations For Each Of Our Principal Business Segments) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 segment | Jun. 30, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | $ 69,642 | $ 62,947 | $ 129,209 | $ 125,378
Operating expense | 53,825 | 49,047 | 102,529 | 98,124
Depreciation and amortization | 3,540 | 3,820 | 7,419 | 7,785
General and administrative expense | 1,015 | 928 | 1,905 | 1,809
Segment operating income | 11,262 | 9,152 | 17,356 | 17,660
Number of reportable business segments |  |  | 2 |
Cinema Exhibition [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | 64,659 | 57,988 | 119,429 | 115,390
Operating expense | 53,008 | 48,347 | 100,956 | 96,563
Depreciation and amortization | 2,525 | 2,733 | 5,285 | 5,563
General and administrative expense | 801 | 782 | 1,571 | 1,484
Segment operating income | 8,325 | 6,126 | 11,617 | 11,780
Real Estate [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | 6,896 | 6,841 | 13,606 | 13,753
Operating expense | 2,730 | 2,582 | 5,399 | 5,326
Depreciation and amortization | 1,015 | 1,087 | 2,134 | 2,222
General and administrative expense | 214 | 146 | 334 | 325
Segment operating income | 2,937 | 3,026 | 5,739 | 5,880
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | (1,913) | (1,882) | (3,826) | (3,765)
Operating expense | $ (1,913) | $ (1,882) | $ (3,826) | $ (3,765)

X
- Definition Segment Operating Income + References No definition available. + Details
Name: | rdi_SegmentOperatingIncome
Namespace Prefix: | rdi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Segment Reporting Information, Depreciation And Amortization + References No definition available. + Details
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Namespace Prefix: | rdi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition Segment Reporting Information, General And Administrative Expenses + References No definition available. + Details
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Namespace Prefix: | rdi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Segment Reporting Information, Operating Expenses + References No definition available. + Details
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Namespace Prefix: | rdi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Segment Reporting Information Operating Revenue + References No definition available. + Details
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Namespace Prefix: | rdi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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
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X
- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
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