Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Total CPA:17 – Global Stockholders	Common Stock	Additional Paid-In Capital	Distributions in Excess of Accumulated Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning equity balance, value at Dec. 31, 2014	$ 2,385,397	$ 2,306,955	$ 328	$ 2,955,440	$ (567,806)	$ (81,007)	$ 78,442
Beginning equity balance, shares at Dec. 31, 2014			328,480,839
Statement of Equity
Shares issued, value	103,657	103,657	$ 11	103,646
Shares issued, shares			11,009,104
Shares issued to affiliates, value	15,630	15,630	$ 2	15,628
Shares issued to affiliates, shares			1,613,468
Shares issued to directors, value	100	100	$ 0	100
Shares issued to directors, shares			10,288
Distributions declared	(217,311)	(217,311)			(217,311)
Distributions to noncontrolling interests	(35,716)						(35,716)
Contributions from noncontrolling interests	15,928						15,928
Net Income	124,120	84,205			84,205		39,915
Other comprehensive income:
Foreign currency translation adjustments	(81,037)	(79,716)				(79,716)	(1,321)
Realized and unrealized loss on derivative instruments	20,889	20,889				20,889
Change in unrealized gain on marketable investments	29	29				29
Repurchase of shares, value	(37,091)	(37,091)	$ (4)	(37,087)
Repurchase of shares, shares			(4,048,280)
Ending equity balance, value at Dec. 31, 2015	2,294,595	2,197,347	$ 337	3,037,727	(700,912)	(139,805)	97,248
Ending equity balance, shares at Dec. 31, 2015			337,065,419
Statement of Equity
Shares issued, value	103,618	103,618	$ 10	103,608
Shares issued, shares			10,255,011
Shares issued to affiliates, value	14,976	14,976	$ 1	14,975
Shares issued to affiliates, shares			1,469,025
Shares issued to directors, value	100	100	$ 0	100
Shares issued to directors, shares			9,766
Distributions declared	(222,046)	(222,046)			(222,046)
Distributions to noncontrolling interests	(38,228)						(38,228)
Contributions from noncontrolling interests	147						147
Net Income	229,208	190,345			190,345		38,863
Other comprehensive income:
Foreign currency translation adjustments	(18,785)	(18,249)				(18,249)	(536)
Realized and unrealized loss on derivative instruments	1,349	1,349				1,349
Change in unrealized gain on marketable investments	29	29				29
Repurchase of shares, value	(49,959)	(49,959)	$ (5)	(49,954)
Repurchase of shares, shares			(5,223,381)
Ending equity balance, value at Dec. 31, 2016	$ 2,315,004	2,217,510	$ 343	3,106,456	(732,613)	(156,676)	97,494
Ending equity balance, shares at Dec. 31, 2016	343,575,840		343,575,840
Statement of Equity
Shares issued, value	$ 102,078	102,078	$ 10	102,068
Shares issued, shares			10,064,364
Shares issued to affiliates, value	28,054	28,054	$ 3	28,051
Shares issued to affiliates, shares			2,773,407
Shares issued to directors, value	100	100	$ 0	100
Shares issued to directors, shares			9,891
Distributions declared	(225,993)	(225,993)			(225,993)
Distributions to noncontrolling interests	(40,290)						(40,290)
Contributions from noncontrolling interests	9,512						9,512
Net Income	136,169	97,287			97,287		38,882
Other comprehensive income:
Foreign currency translation adjustments	100,948	98,685				98,685	2,263
Realized and unrealized loss on derivative instruments	(20,462)	(20,462)				(20,462)
Change in unrealized gain on marketable investments	33	33				33
Repurchase of shares, value	(61,896)	(61,896)	$ (7)	(61,889)
Repurchase of shares, shares			(6,523,675)
Ending equity balance, value at Dec. 31, 2017	$ 2,343,257	$ 2,235,396	$ 349	$ 3,174,786	$ (861,319)	$ (78,420)	$ 107,861
Ending equity balance, shares at Dec. 31, 2017	349,899,827		349,899,827