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Property And Equipment (Narrative) (Details) $ in Thousands, $ in Millions, $ in Millions |  | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 04, 2021 NZD ($) | Mar. 31, 2021 USD ($) a | Mar. 31, 2020 USD ($) | Mar. 05, 2021 USD ($) | Mar. 04, 2021 USD ($) | Mar. 04, 2021 NZD ($) | Feb. 28, 2021 USD ($) | Jan. 31, 2021 USD ($) | Jan. 31, 2021 AUD ($) | Aug. 28, 2019 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Depreciation expense for operating property |  | $ 5,500 | $ 5,200 |  |  |  |  |  |  |
Proceeds from sale of assets |  | $ 65,569 |  |  |  |  |  |  |  |
Shadow View Land And Farming, LLC [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Area of property | a |  | 202 |  |  |  |  |  |  |  |
Ownership percentage by parent |  | 50.00% |  |  |  |  |  |  |  |
Village East Cinema, Manhattan [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  | $ 5,900
Lease term |  |  |  |  |  |  |  |  |  | 13 years
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Shadow View Land And Farming, LLC [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Percent of sale proceeds |  | 50.00% |  |  |  |  |  |  |  |
Coachella, CA [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Book value |  | $ 4,351 |  |  |  |  |  |  |  |
Sale price |  | 11,000 |  | $ 11,000 |  |  |  |  |  |
Manukau, NZ [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Book value |  | 13,483 |  |  |  |  |  |  |  |
Sale price |  | $ 56,058 |  |  | $ 56,100 | $ 77.2 |  |  |  |
Proceeds from sale of assets | $ 1.0 |  |  |  |  |  |  |  |  |
Auburn / Redyard, New South Wales [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Book value |  |  |  |  |  |  |  | $ 28,700 | $ 37.7 |
Royal George Theatre, Chicago [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |
Book value |  |  |  |  |  |  | $ 1,800 |  |  |

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