Revisions of Previously-Issued Financial Statements (Details 3) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Statement of Equity
Beginning equity balance, value	$ 2,385,397	$ 2,467,538	$ 2,485,724
Beginning equity balance, shares	328,480,839
Common Stock
Statement of Equity
Beginning equity balance, value	$ 337	$ 330	$ 323
Beginning equity balance, shares	328,480,839	322,963,325	317,353,899
Additional Paid-In-Capital
Statement of Equity
Beginning equity balance, value	$ 3,033,283	$ 2,968,217	$ 2,904,927
Distributions in Excess of Accumulated Earnings
Statement of Equity
Beginning equity balance, value	(567,806)	(492,212)	(431,095)
Accumulated Other Comprehensive Loss
Statement of Equity
Beginning equity balance, value	(81,007)	(24,018)	(13,442)
Treasury Stock
Statement of Equity
Beginning equity balance, value	(77,852)	(63,172)	(52,477)
Total CPA:17 - Global Stockholders
Statement of Equity
Beginning equity balance, value	2,306,955	2,389,145	2,408,236
Noncontrolling Interest
Statement of Equity
Beginning equity balance, value	$ 78,442	$ 78,393	77,488
As Reported
Statement of Equity
Beginning equity balance, value			2,485,298
As Reported | Common Stock
Statement of Equity
Beginning equity balance, value			$ 323
Beginning equity balance, shares			317,353,899
As Reported | Additional Paid-In-Capital
Statement of Equity
Beginning equity balance, value			$ 2,904,927
As Reported | Distributions in Excess of Accumulated Earnings
Statement of Equity
Beginning equity balance, value			(439,688)
As Reported | Accumulated Other Comprehensive Loss
Statement of Equity
Beginning equity balance, value			(5,275)
As Reported | Treasury Stock
Statement of Equity
Beginning equity balance, value			(52,477)
As Reported | Total CPA:17 - Global Stockholders
Statement of Equity
Beginning equity balance, value			2,407,810
As Reported | Noncontrolling Interest
Statement of Equity
Beginning equity balance, value			77,488
Revisions
Statement of Equity
Beginning equity balance, value			426
Revisions | Common Stock
Statement of Equity
Beginning equity balance, value			$ 0
Beginning equity balance, shares			0
Revisions | Additional Paid-In-Capital
Statement of Equity
Beginning equity balance, value			$ 0
Revisions | Distributions in Excess of Accumulated Earnings
Statement of Equity
Beginning equity balance, value			8,593
Revisions | Accumulated Other Comprehensive Loss
Statement of Equity
Beginning equity balance, value			(8,167)
Revisions | Treasury Stock
Statement of Equity
Beginning equity balance, value			0
Revisions | Total CPA:17 - Global Stockholders
Statement of Equity
Beginning equity balance, value			426
Revisions | Noncontrolling Interest
Statement of Equity
Beginning equity balance, value			$ 0