Related Party Transactions and Arrangements (Schedule of Investment in the Cole REITs) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Carrying Amount of Investment	$ 23,445	$ 56,824
Funds not yet in offering	600
Cole REITs [Member]
Related Party Transaction [Line Items]
Carrying Amount of Investment	$ 3,809
CCPT V [Member]
Related Party Transaction [Line Items]
% of Outstanding Shares Owned	1.14%
Carrying Amount of Investment	$ 1,553
INAV [Member]
Related Party Transaction [Line Items]
% of Outstanding Shares Owned	0.12%
Carrying Amount of Investment	$ 149
CCIT II [Member]
Related Party Transaction [Line Items]
% of Outstanding Shares Owned	0.58%
Carrying Amount of Investment	$ 1,388
CCPT IV [Member]
Related Party Transaction [Line Items]
% of Outstanding Shares Owned	0.01%
Carrying Amount of Investment	$ 119

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 2: 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

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Equity Method Investments, Funds Note Yet in Offering

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