Acquisitions of CapLease, Cole and CCPT - Cole Acquisition Fair Value Transferred (Detail) (Cole Merger [Member], USD $)	0 Months Ended
Feb. 07, 2014
Cole Merger [Member]
Business Acquisition [Line Items]
Cash	$ 181,775,000
Common stock	7,285,868,000
Total consideration transferred	$ 7,467,643,000

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

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-Name Accounting Standards Codification

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-Paragraph 8

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

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-Section 50

-Paragraph 1

-Subparagraph (b)

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 13

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