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Real Estate Transactions (Narrative) (Details) AUD in Millions |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 11, 2016 USD ($) ft² item | Feb. 25, 2016 USD ($) | Dec. 23, 2015 AUD ft² item mi | Dec. 23, 2015 USD ($) ft² item mi | Nov. 30, 2015 AUD ft² | Nov. 30, 2015 USD ($) ft² | Apr. 16, 2015 AUD | Apr. 16, 2015 USD ($) | Apr. 01, 2015 NZD property | May 23, 2014 AUD | May 23, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2016 AUD | Dec. 31, 2016 USD ($) | Mar. 31, 2016 NZD | Mar. 31, 2016 USD ($) | Nov. 29, 2015 ft² | Apr. 30, 2015 NZD | Apr. 30, 2015 USD ($) | Apr. 16, 2015 USD ($) | Apr. 01, 2015 USD ($) | May 12, 2014 AUD a | May 12, 2014 USD ($) a
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  | $ 210,298,000 | [1],[2] |  |  |  | $ 211,886,000 |  |  |  |  |  |  |  |  |
Percent of leasable area | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of assets |  |  |  |  |  |  |  |  |  |  |  | $ 393,000 | 11,023,000 | [3] | $ 25,000 | [3] |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  | $ 19,715,000 | [1],[2] | $ 21,281,000 |  |  | 19,828,000 |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  | 35 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
5995 Sepulveda Blvd, Culver City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price | $ 11,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of property | ft² | 24,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of parking spaces | item | 72 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Burwood [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 65.0 | $ 48,200,000
Remaining purchase price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 58.5 | 42,300,000 |  |  |  |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | AUD 52.1 | $ 37,700,000 |  |  |  |  |  |  |  |  |
Area of property | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.6 | 50.6
Proceeds from the sale property |  |  |  |  |  |  |  |  |  | AUD 6.5 | $ 5,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale agreements, prepayment as a percentage of net sale price |  |  |  |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Doheny Condo, Los Angeles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of assets |  | $ 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lake Taupo [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of land parcels sold | property |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  | NZD 3,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400,000 |  |
Lake Taupo Parcel One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | NZD 2,200,000 | $ 1,600,000 |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | NZD 1,800,000 | $ 1,300,000 |  |  |  |
Lake Taupo Parcel Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | NZD 1,200,000 | $ 831,000 |  |  |  |  |  |  |
Carrying value of property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | NZD 615,000 | $ 426,000 |  |  |  |  |  |  |
Moonee Ponds [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  | AUD 23.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,500,000 |  |  |
Gain (loss) on sale of assets |  |  |  |  |  |  | AUD 10.3 | $ 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Adjacent To Newmarket [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of property | ft² |  |  |  |  | 23,000 | 23,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration |  |  |  |  | AUD 7.6 | $ 5,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Newmarket, Australia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of property | ft² |  |  |  |  | 227,000 | 227,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 204,000 |  |  |  |  |  |
Cannon Park, Queensland [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distance between two properties, Miles | mi |  |  | 6 | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of property leased |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of land parcels acquired | item |  |  | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cannon Park, Queensland [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  | 9 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cannon Park, Queensland [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  | 8 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Certain 2015 balances have been reclassified to conform to the 2016 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).
[2] | Certain 2015 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).
[3] | Certain 2015 and 2014 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).

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