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Investment in Consolidated and Unconsolidated Entities - Schedule of Consolidated Variable Interest Entities (Details) - River Oaks And Kyle Marketplace [Member] - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Total assets | $ 184,505 | $ 0
Total liabilities | 11,343 | 0
Net assets | 173,162 | 0
Variable Interest Entity, Consolidated, Real Estate Investment Properties [Member] |  |
Variable Interest Entity [Line Items] |  |
Total assets | 165,875 | 0
Other Assets [Member] |  |
Variable Interest Entity [Line Items] |  |
Total assets | 18,630 | 0
Other Liabilities [Member] |  |
Variable Interest Entity [Line Items] |  |
Total liabilities | $ 11,343 | $ 0

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- Definition The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5710-111685 + Details
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