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Property And Equipment (Narrative) (Details) AUD in Millions |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 11, 2016 USD ($) ft² item | Dec. 23, 2015 AUD ft² item | Dec. 23, 2015 USD ($) ft² item | Apr. 16, 2015 AUD | Apr. 16, 2015 USD ($) | Apr. 01, 2015 NZD property | Feb. 25, 2015 USD ($) | May 23, 2014 AUD | May 23, 2014 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 AUD | Sep. 30, 2016 USD ($) | Dec. 31, 2015 AUD | Dec. 31, 2015 USD ($) | Apr. 30, 2015 NZD | Apr. 30, 2015 USD ($) | Apr. 16, 2015 USD ($) | Apr. 01, 2015 USD ($) | May 12, 2014 AUD a | May 12, 2014 USD ($) a
Depreciation expense for property and equipment |  |  |  |  |  |  |  |  |  | $ 4,000,000 | $ 3,300,000 | $ 11,200,000 | $ 10,100,000 |  |  |  |  |  |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 227,919,000 |  | $ 210,298,000 | [1] |  |  |  |  |  |
Gain (loss) on sale of assets |  |  |  |  |  |  |  |  |  |  |  | $ 393,000 | $ 11,023,000 |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,434,000 |  | 19,715,000 | [1] |  |  |  |  |  |
5995 Sepulveda Blvd, Culver City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price | $ 11,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of property | ft² | 24,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of parking spaces | item | 72 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of leasable area | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in headquarters occupancy cost | $ 350,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Burwood [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 65.0 | $ 50,800,000
Remaining purchase price |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 58.5 | 44,900,000 |  |  |  |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 52.1 | $ 40,000,000 | AUD 52.1 | $ 38,000,000 |  |  |  |  |  |  |
Area of property | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.6 | 50.6
Proceeds from the sale property |  |  |  |  |  |  |  | AUD 6.5 | $ 5,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Doheny Condo, Los Angeles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of assets |  |  |  |  |  |  | $ 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lake Taupo [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of land parcels sold | property |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  | NZD 3,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400,000 |  |
Lake Taupo Parcel One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | NZD 2,200,000 | $ 1,600,000 |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,800,000 | 1,300,000 |  |  |  |
Lake Taupo Parcel Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,200,000 | 831,000 |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | NZD 615,000 | $ 426,000 |  |  |  |
Moonee Ponds [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  | AUD 23.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,500,000 |  |  |
Gain (loss) on sale of assets |  |  |  | AUD 10.3 | $ 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cannon Park, Queensland [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of property | ft² |  | 133,000 | 133,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of acquisition completed |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment to acquire property |  | AUD 33.4 | $ 24,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  |  |  |  |  |  | 75.00% | 75.00% |  |  |  |  |  |  |  |  |
Number of major tenants | item |  | 3 | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of specialty family oriented restaurant tenants | item |  | 10 | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of retailers | item |  | 4 | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of property leased |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |
Number of land parcels acquired | item |  | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cannon Park, Queensland [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  | 9 months |  |  |  |  |  |  |  |  |  |  |  |
Cannon Park, Queensland [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  | 8 years |  |  |  |  |  |  |  |  |  |  |  |
[1] | Certain prior period amounts have been reclassified to conform to the current period presentation (see Note 1 - The Company and Basis of Presentation - Reclassifications)

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