v2.4.0.8

Notes Payable (Narrative) (Details) (USD $) | 6 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  | 0 Months Ended | 6 Months Ended | 12 Months Ended |  |  | 0 Months Ended | 6 Months Ended | 12 Months Ended |
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Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 NAB Australian Corporate Credit Facility [Member] | Jun. 30, 2013 US Bank Of America Revolver [Member] | Jun. 30, 2013 US Bank Of America Revolver [Member] | Dec. 31, 2012 US Bank Of America Revolver [Member] | Mar. 25, 2013 US Bank Of America Revolver [Member] | Jun. 28, 2013 US Bank Of America Line Of Credit [Member] | Jun. 30, 2013 US Bank Of America Line Of Credit [Member] | Dec. 31, 2012 US Bank Of America Line Of Credit [Member] | Dec. 31, 2012 US Sutton Hill Capital Note – Related Party [Member] | Jun. 30, 2013 US Sutton Hill Capital Note – Related Party [Member] | Jun. 18, 2013 US Sutton Hill Capital Note – Related Party [Member] | Jun. 18, 2013 US Sutton Hill Capital Note – Related Party [Member] Reading International Inc. [Member] | Jun. 18, 2013 US Sutton Hill Capital Note – Related Party [Member] Sutton Hill Capital [Member] | Jun. 30, 2013 Minetta And Orpheum Theaters Loan [Member] | Jun. 30, 2013 US Cinema 1, 2, 3 Term Loan [Member] | Dec. 31, 2012 US Cinema 1, 2, 3 Term Loan [Member] | Dec. 31, 2012 US Liberty Theaters Term Loan [Member] | Jun. 30, 2013 US Liberty Theaters Term Loan [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate | 1.15% |  | 7.90% | 4.44% | 4.44% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swap contract rate |  |  | 5.50% |  | 1.44% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin |  |  | 2.40% |  | 3.00% |  |  |  |  |  |  |  |  |  |  | 2.75% |  |  |  |
Interest rate |  |  | 5.70% |  | 3.28% | 3.26% |  |  | 3.20% | 3.21% | 8.25% |  |  |  |  | 2.94% | 5.20% | 5.24% | 6.20% |
Line of credit facility, amount outstanding |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  | $ 9,000,000 |  |  | $ 7,500,000 | $ 15,000,000 |  |  | $ 7,500,000
Ownership percentage by parent |  |  |  |  |  |  |  |  |  |  |  | 75.00% |  |  |  |  |  |  |  |
Amount of debt paid off |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  | 6,750,000 | 2,250,000 |  |  |  |  |
Spread on variable interest rate | 2.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate cap | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |
Renewal fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |
Line of credit facility, previous maximum borrowing capacity |  |  |  |  |  |  | 30,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  | 35,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Additional amount borrowed |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of loan | $ 22,097,000 | $ 22,510,000 |  | $ 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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