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Unconsolidated Affiliates and Noncontrolling Interests (Variable Interest Entities) (Details) $ in Thousands	Mar. 31, 2018 USD ($)
Ambassador Infrastructure, LLC
Noncontrolling Interest [Line Items]
Investment in Real Estate Joint Ventures and Partnerships	$ 0
Maximum Risk of Loss	$ 10,605
Percentage of debt guaranteed	100.00%
EastGate Storage, LLC
Noncontrolling Interest [Line Items]
Investment in Real Estate Joint Ventures and Partnerships	$ 1,121
Maximum Risk of Loss	6,500
G&I VIII CBL Triangle LLC
Noncontrolling Interest [Line Items]
Investment in Real Estate Joint Ventures and Partnerships	1,469
Maximum Risk of Loss	1,469
Shoppes at Eagle Point, LLC
Noncontrolling Interest [Line Items]
Investment in Real Estate Joint Ventures and Partnerships	15,866
Maximum Risk of Loss	$ 36,400

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Real Estate Investment, Maximum Loss

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- Definition

The book value of investments in real estate joint ventures including direct and indirect investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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