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Investments In Unconsolidated Joint Ventures (Narrative) (Details) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 14, 2011 USD ($) | Jun. 02, 2009 USD ($) | Jun. 26, 2006 USD ($) | Dec. 31, 2016 item | Dec. 31, 2014 USD ($) | Dec. 31, 2009 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Debt instrument term |  |  |  | 3 years |  |
Rialto Cinemas [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Number of movie theatre | item |  |  |  | 2 |  |
Number of screens on property | item |  |  |  | 13 |  |
Equity Method Investment, Ownership Percentage |  |  |  | 50.00% |  |
Mt. Gravatt [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Number of screens on property | item |  |  |  | 16 |  |
Equity Method Investment, Ownership Percentage |  |  |  | 33.30% |  |
Malulani Investments, Limited [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Payment for investment in joint venture |  |  | $ 1,800,000 |  |  |
Cash received from settlement |  | $ 2,500,000 |  |  |  |
Note receivable |  | $ 6,800,000 |  |  |  |
Interest rate |  | 6.25% |  |  |  |
Noncontrolling interests |  |  | 18.40% |  |  |
Debt instrument term |  |  |  | 3 years |  |
Period of tail interest received in settlement agreement |  |  |  | 10 years |  |
Gain on transfer of ownership interest |  |  |  |  |  | $ 268,000
Interest received |  |  |  |  | $ 191,000 |
Proceeds from note receivable | $ 6,800,000 |  |  |  |  |

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