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Property And Equipment (Construction-In-Progress Balance) (Details) | 3 Months Ended
--- | ---
Mar. 31, 2017 USD ($)
Property, Plant and Equipment [Line Items] |  |
Balance | $ 11,517,000 |
Balance | 11,805,000 |
Capitalized interest charges | 155,000 |
Operating And Investing Properties [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Balance | 28,688,000 |
Additions during the quarter | 7,753,000 | [1]
Completed during the quarter | (1,342,000) |
Foreign currency movements | 246,000 |
Balance | 35,345,000 |
Operating And Investing Properties [Member] | Union Square Development [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Balance | 11,412,000 |
Additions during the quarter | 4,259,000 | [1]
Completed during the quarter |  |
Foreign currency movements |  |
Balance | 15,671,000 |
Operating And Investing Properties [Member] | Newmarket Property Development [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Balance | 2,106,000 |
Additions during the quarter | 1,714,000 | [1]
Completed during the quarter |  |
Foreign currency movements | 131,000 |
Balance | 3,951,000 |
Operating And Investing Properties [Member] | Courtenay Central Development [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Balance | 3,510,000 |
Additions during the quarter | 232,000 | [1]
Completed during the quarter |  |
Foreign currency movements | 20,000 |
Balance | 3,762,000 |
Operating And Investing Properties [Member] | Cinema Developments And Improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Balance | 7,796,000 |
Additions during the quarter | 87,000 | [1]
Completed during the quarter | (959,000) |
Foreign currency movements | 20,000 |
Balance | 6,944,000 |
Operating And Investing Properties [Member] | Other Real Estate Projects [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Balance | 3,864,000 |
Additions during the quarter | 1,461,000 | [1]
Completed during the quarter | (383,000) |
Foreign currency movements | 75,000 |
Balance | $ 5,017,000 |
[1] | Includes capitalized interest of $155,000 for the quarter ended March 31, 2017.

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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