Consolidated Statements of Equity (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Total USD ($)	Class A	Class C	Common Stock Class A USD ($)	Common Stock Class C USD ($)	Common Stock General Common Stock USD ($)	Additional Paid-In Capital USD ($)	Distributions and Accumulated Losses USD ($)	Accumulated Other Comprehensive Loss USD ($)	Treasury Stock USD ($)	Total CPA 18 - Global Stockholders USD ($)	Noncontrolling Interests USD ($)
Beginning equity balance, value at Dec. 31, 2012	$ 209					$ 0	$ 209				$ 209
Beginning equity balance, shares at Dec. 31, 2012						23,222
Statements of Equity
Renaming of General Shares to Class A common stock, value	0			0		0					0
Renaming of General Shares to Class A common stock, shares				23,222		(23,222)
Shares issued net of offering cost, value	215,040			21	3		215,016				215,040
Shares issued net of offering cost, shares				21,251,565	2,776,001
Shares issued to affiliate, value	79			0			79				79
Shares issued to affiliate, shares				7,903
Stock-based compensation, value	67			0			67				67
Stock-based compensation, shares				7,407
Contributions from noncontrolling interests	38,169											38,169
Distributions to noncontrolling interests	(853)											(853)
Distributions declared	(1,936)							(1,936)			(1,936)
Net Loss	(241)							(631)			(631)	390
Other Comprehensive Loss:
Foreign currency translation adjustments	156								125		125	31
Change in unrealized loss on derivative instrument	(219)								(219)		(219)
Ending equity balance, value at Dec. 31, 2013	250,471			21	3	0	215,371	(2,567)	(94)		212,734	37,737
Ending equity balance, shares at Dec. 31, 2013		21,290,097	2,776,001	21,290,097	2,776,001	0
Statements of Equity
Shares issued net of offering cost, value	722,929			76	5		722,848				722,929
Shares issued net of offering cost, shares				76,009,975	4,800,488
Shares issued to affiliate, value	756						756				756
Shares issued to affiliate, shares				75,656
Contributions from noncontrolling interests	95,889											95,889
Distributions to noncontrolling interests	(64,077)											(64,077)
Distributions declared	(19,032)							(19,032)			(19,032)
Net Loss	(20,960)							(18,435)			(18,435)	(2,525)
Other Comprehensive Loss:
Foreign currency translation adjustments	(2,293)								(1,794)		(1,794)	(499)
Change in unrealized loss on derivative instrument	(1,132)								(1,132)		(1,132)
Repurchase of shares, value	(40)									(40)	(40)
Repurchase of shares, shares				(4,004)
Ending equity balance, value at Jun. 30, 2014	$ 962,511			$ 97	$ 8		$ 938,975	$ (40,034)	$ (3,020)	$ (40)	$ 895,986	$ 66,525
Ending equity balance, shares at Jun. 30, 2014		97,371,724	7,576,489	97,371,724	7,576,489