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Investment in Partially Owned Entities (Details 1) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Schedule of net equity investment and share of net income or loss |  |
Investment | $ 182,213 | $ 178,728
IAGM Retail Fund I, LLC [Member] |  |
Schedule of net equity investment and share of net income or loss |  |
Description | Multi-tenant retail shopping centers |
Ownership % | 55.00% |
Investment | $ 126,451 | 126,090
Downtown Railyard Venture, LLC [Member] |  |
Schedule of net equity investment and share of net income or loss |  |
Description | Land development |
Investment | $ 55,508 | 52,365
Other Unconsolidated Entities [Member] |  |
Schedule of net equity investment and share of net income or loss |  |
Description | Various real estate investments |
Investment | $ 254 | $ 273

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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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