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

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

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

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The net carrying amount of the consolidated Variable Interest Entity's assets and liabilities included in the reporting entity's statement of financial position.

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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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