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Casualty Loss (Details) (Wellington, New Zealand [Member]) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 21, 2013 USD ($) | Jul. 21, 2013 NZD | Dec. 31, 2013 USD ($) | Dec. 31, 2013 NZD
Casualty Loss [Line Items] |  |  |  |
Estimated cost for repairs | $ 1,900,000 us-gaap_UnusualOrInfrequentItemLossGross / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember | 2,500,000 us-gaap_UnusualOrInfrequentItemLossGross / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember |  |
Insurance proceeds | 1,400,000 us-gaap_UnusualOrInfrequentItemInsuranceProceeds / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember | 1,800,000 us-gaap_UnusualOrInfrequentItemInsuranceProceeds / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember |  |
Payment of insurance deductible amount | 554,000 rdi_PaymentOfInsuranceDeductibleAmount / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember | 710,000 rdi_PaymentOfInsuranceDeductibleAmount / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember |  |
Casualty loss, after insurance proceeds |  |  | 46,000 us-gaap_UnusualOrInfrequentItemNetOfInsuranceProceeds / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember | 59,000 us-gaap_UnusualOrInfrequentItemNetOfInsuranceProceeds / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember
Insurance receivable, current |  |  | $ 1,400,000 us-gaap_InsuranceSettlementsReceivableCurrent / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember | 1,800,000 us-gaap_InsuranceSettlementsReceivableCurrent / us-gaap_StatementGeographicalAxis = rdi_WellingtonNewZealandMember

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- Definition Payment of insurance deductible amount + References No definition available. + Details
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- Definition Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The gross income statement effect of insurance proceeds for each material event or transaction (that would not reasonably be expected to recur in the foreseeable future) that possesses a high degree of abnormality and are clearly unrelated to, or incidentally related to, the ordinary and typical activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781 + Details
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- Definition Amount of loss recognized in the income statement for an event or transaction, that is unusual in nature or occurs infrequently, but not both. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781 + Details
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- Definition Difference of unusual or infrequent items gross less applicable insurance proceeds. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 66 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e34211-109320 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 40 -Section 25 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6407921&loc=d3e59193-111647 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 40 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6407921&loc=d3e59170-111647 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 10 -Section 60 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6395305&loc=d3e11642-108343 + Details
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