Restated Consolidated Statements of Operations (Detail) (USD $)	3 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013		Dec. 31, 2013
Revenues:
Rental income	$ 314,519,000	[1]	$ 52,664,000	[1]	$ 558,934,000	[1]	$ 93,651,000	[1]
Direct financing lease income	1,181,000	[1]	0	[1]	2,187,000	[1]	0	[1]
Operating expense reimbursements	29,256,000	[1]	2,281,000	[1]	50,732,000	[1]	4,191,000	[1]
Cole Capital revenue	37,222,000	[1]	0	[1]	91,479,000	[1]	0	[1]
Total revenues	382,178,000	[1]	54,945,000	[1]	703,332,000	[1]	97,842,000	[1]
Operating expenses:
Cole Capital reallowed fees and commissions	7,068,000	[1]	0	[1]	41,504,000	[1]	0	[1]
Acquisition related	7,201,000	[1],[2]	37,266,000	[1],[2]	20,618,000	[1],[2]	47,593,000	[1],[2]
Merger and other non-routine transactions	7,422,000	[1],[3],[4]	5,865,000	[1],[3],[4]	167,720,000	[1],[3],[5]	129,433,000	[1],[3],[5]
Property operating	39,286,000	[1]	3,086,000	[1]	69,041,000	[1]	5,635,000	[1]
Management fees to affiliate					13,888,000		12,493,000
General and administrative	40,012,000	[1],[6]	6,283,000	[1],[6]	96,504,000	[1],[6]	14,055,000	[1],[6]
Equity-based compensation	0	[7]	0	[7]	27,264,000	[1]	6,791,000	[1]
Depreciation and amortization	250,739,000	[1]	33,681,000	[1]	424,581,000	[1]	60,434,000	[1]
Impairment of real estate	1,556,000	[1],[8]	0	[1],[8]	1,556,000	[1],[8]	0	[1],[8]
Total operating expenses	353,284,000	[1]	86,181,000	[1]	835,412,000	[1]	269,643,000	[1]
Operating income (loss)	28,894,000	[1]	(31,236,000)	[1]	(132,080,000)	[1]	(171,801,000)	[1]
Other (expense) income:
Interest expense, net	(103,897,000)	[1]	(11,424,000)	[1]	(224,848,000)	[1]	(18,225,000)	[1]
Extinguishment of debt, net	(6,469,000)	[8]	0	[8]	16,985,000	[1]	0	[1]
Other income, net	11,936,000	[1]	1,523,000	[1]	22,146,000	[1]	2,522,000	[1]
Gain (loss) on derivative instruments, net	14,207,000	[1]	(31,174,000)	[1]	7,086,000	[1]	(31,179,000)	[1]
Loss on contingent value rights	0		0		0		0
Gain (loss) on disposition of properties and held for sale assets, net	(1,269,000)	[1]	0	[1]	(18,874,000)	[1]	0	[1]
Total other expenses, net	(85,492,000)	[1]	(41,075,000)	[1]	(230,358,000)	[1]	(46,431,000)	[1]
Gain on sale of investments	0	[1]	0	[1]	0	[1]	451,000	[1]
Net loss from continuing operations	(56,598,000)	[1]	(72,311,000)	[1]	(362,438,000)	[1]	(218,232,000)	[1]
Discontinued operations:
Income from operations of held for sale properties	0	[1]	36,000	[1]	0	[1]	20,000	[1]
Gain on held for sale properties					0		0
Net loss from discontinued operations	0	[1]	36,000	[1]	0	[1]	20,000	[1]
Net loss	(56,598,000)	[1],[9]	(72,275,000)	[1],[9]	(362,438,000)	[1]	(218,212,000)	[1]
Net loss attributable to non-controlling interests	1,878,000	[1]	2,672,000	[1]	16,274,000	[1]	4,729,000	[1]
Net loss attributable to the Company	(54,720,000)	[1]	(69,603,000)	[1]	(346,164,000)	[1]	(213,483,000)	[1]
Basic and diluted net loss per share attributable to common stockholders	$ (0.10)	[1]	$ (0.35)	[1]	$ (0.58)	[1]	$ (1.17)	[1]
Adjustments [Member]
Operating expenses:
Equity-based compensation					0	[7]
Other (expense) income:
Other income, net					22,146,000		2,522,000
Total other expenses, net					(230,358,000)		(46,431,000)
Adjustment [Member]
Other (expense) income:
Extinguishment of debt, net					(15,868,000)		0
As Previously Reported [Member]
Revenues:
Rental income	314,843,000		52,664,000		559,288,000		93,651,000
Direct financing lease income	1,181,000		0		2,187,000		0
Operating expense reimbursements	28,545,000		2,281,000		49,641,000		4,191,000
Cole Capital revenue	37,412,000		0		91,479,000		0
Total revenues	381,981,000		54,945,000		702,595,000		97,842,000
Operating expenses:
Cole Capital reallowed fees and commissions	7,068,000		0		41,504,000		0
Acquisition related	8,453,000		37,289,000		20,337,000		47,616,000
Merger and other non-routine transactions	13,286,000	[4]	6,393,000	[4]	235,478,000	[5]	144,162,000	[5]
Property operating	39,372,000		3,086,000		69,030,000		5,635,000
Management fees to affiliate							0
General and administrative	19,063,000		2,361,000		44,748,000		3,815,000
Equity-based compensation	9,338,000	[7]	3,458,000	[7]
Depreciation and amortization	258,993,000		33,752,000		424,356,000		60,505,000
Impairment of real estate			0	[8]	0	[8]	0	[8]
Total operating expenses	355,573,000		86,339,000		867,301,000		266,072,000
Operating income (loss)	26,408,000		(31,394,000)		(164,706,000)		(168,230,000)
Other (expense) income:
Interest expense, net	(99,635,000)		(11,068,000)		(216,347,000)		(17,124,000)
Extinguishment of debt, net	0	[8]	0	[8]
Other income, net	6,526,000		1,167,000
Gain (loss) on derivative instruments, net	21,926,000		(40,000)		1,729,000		(45,000)
Loss on contingent value rights	0		(31,134,000)		0		(31,134,000)
Gain (loss) on disposition of properties and held for sale assets, net	1,510,000		0		4,489,000		0
Total other expenses, net	(69,673,000)		(41,075,000)
Gain on sale of investments					0		451,000
Net loss from continuing operations	(43,265,000)		(72,469,000)		(363,920,000)		(214,062,000)
Discontinued operations:
Income from operations of held for sale properties	0		36,000		0		20,000
Gain on held for sale properties					0		14,000
Net loss from discontinued operations	0		36,000		0		34,000
Net loss	(43,265,000)	[9]	(72,433,000)	[9]	(363,920,000)		(214,028,000)
Net loss attributable to non-controlling interests	2,937,000		475,000		14,911,000		907,000
Net loss attributable to the Company	(40,328,000)		(71,958,000)		(349,009,000)		(213,121,000)
Basic and diluted net loss per share attributable to common stockholders	$ (0.08)		$ (0.36)		$ (0.58)		$ (1.16)
As Previously Reported [Member] | Adjustments [Member]
Operating expenses:
Equity-based compensation					31,848,000	[7]	4,339,000	[7]
Other (expense) income:
Other income, net					10,915,000		2,020,000
Total other expenses, net					(199,214,000)		(45,832,000)
As Previously Reported [Member] | Adjustment [Member]
Other (expense) income:
Extinguishment of debt, net					0		0
Reclassifications And Immaterial Adjustments [Member]
Revenues:
Rental income	0		0		0
Direct financing lease income	0		0		0
Operating expense reimbursements	0		0		0
Cole Capital revenue	(190,000)		0		0
Total revenues	(190,000)		0		0
Operating expenses:
Cole Capital reallowed fees and commissions	0		0		0
Acquisition related	0		0		0
Merger and other non-routine transactions	0	[4]	0	[4]	0	[5]
Property operating	0		0		0
Management fees to affiliate					0
General and administrative	2,788,000		23,000		3,911,000		23,000
Equity-based compensation	0	[7]	0	[7]
Depreciation and amortization	0		(23,000)		0		(23,000)
Impairment of real estate	0	[8]	0	[8]	0	[8]	0	[8]
Total operating expenses	2,788,000		0		3,911,000		0
Operating income (loss)	(2,978,000)		0		(3,911,000)		0
Other (expense) income:
Interest expense, net	(4,619,000)		(356,000)		(8,272,000)		(502,000)
Extinguishment of debt, net	0	[8]	0	[8]
Other income, net	7,597,000		356,000
Gain (loss) on derivative instruments, net	0		(31,134,000)		0		(31,134,000)
Loss on contingent value rights	0		31,134,000		0		31,134,000
Gain (loss) on disposition of properties and held for sale assets, net	0		0		0		0
Total other expenses, net	2,978,000		0
Gain on sale of investments					0		0
Net loss from continuing operations	0		0		0		0
Discontinued operations:
Income from operations of held for sale properties	0		0		0		0
Gain on held for sale properties					0		0
Net loss from discontinued operations	0		0		0		0
Net loss	0				0		0
Net loss attributable to non-controlling interests	0				0		0
Net loss attributable to the Company	0				0		0
Basic and diluted net loss per share attributable to common stockholders	$ 0.00				$ 0.00		$ 0.00
Reclassifications And Immaterial Adjustments [Member] | Adjustments [Member]
Operating expenses:
Equity-based compensation					0	[7]
Other (expense) income:
Other income, net					12,183,000		502,000
Total other expenses, net					3,911,000		0
Reclassifications And Immaterial Adjustments [Member] | Adjustment [Member]
Other (expense) income:
Extinguishment of debt, net					0		0
Error Corrections [Member]
Revenues:
Rental income	(324,000)		0		(354,000)
Direct financing lease income	0		0		0
Operating expense reimbursements	711,000		0		1,091,000
Cole Capital revenue	0		0		0
Total revenues	387,000		0		737,000
Operating expenses:
Cole Capital reallowed fees and commissions	0		0		0
Acquisition related	(1,252,000)		(23,000)		281,000		(23,000)
Merger and other non-routine transactions	(5,864,000)	[4]	(528,000)	[4]	(67,758,000)	[5]	(14,729,000)	[5]
Property operating	(86,000)		0		11,000
Management fees to affiliate					13,888,000		12,493,000
General and administrative	18,161,000		3,899,000		47,845,000		10,217,000
Equity-based compensation	(9,338,000)	[7]	(3,458,000)	[7]			(4,339,000)
Depreciation and amortization	(8,254,000)		(48,000)		225,000		(48,000)
Impairment of real estate	1,556,000	[8]	0	[8]	1,556,000	[8]	0	[8]	3,300,000
Total operating expenses	(5,077,000)		(158,000)		(35,800,000)		3,571,000
Operating income (loss)	5,464,000		158,000		36,537,000		(3,571,000)
Other (expense) income:
Interest expense, net	357,000		0		(229,000)		(599,000)
Extinguishment of debt, net	(6,469,000)	[8]	0	[8]
Other income, net	(2,187,000)		0
Gain (loss) on derivative instruments, net	(7,719,000)		0		5,357,000		0
Loss on contingent value rights	0		0		0		0
Gain (loss) on disposition of properties and held for sale assets, net	(2,779,000)		0		(23,363,000)		0
Total other expenses, net	(18,797,000)		0
Gain on sale of investments					0		0
Net loss from continuing operations	(13,333,000)		158,000		1,482,000		(4,170,000)
Discontinued operations:
Income from operations of held for sale properties	0		0		0		0
Gain on held for sale properties					0		(14,000)
Net loss from discontinued operations	0		0		0		(14,000)
Net loss	(13,333,000)	[9]	158,000	[9]	1,482,000		(4,184,000)
Net loss attributable to non-controlling interests	(1,059,000)		2,197,000		1,363,000		3,822,000
Net loss attributable to the Company	(14,392,000)		2,355,000		2,845,000		(362,000)
Basic and diluted net loss per share attributable to common stockholders	$ 0.00				$ 0.00		$ 0.00
Error Corrections [Member] | Adjustments [Member]
Operating expenses:
Equity-based compensation					(31,848,000)	[7]	(4,339,000)	[7]
Other (expense) income:
Other income, net					(952,000)		0
Total other expenses, net					(35,055,000)		(599,000)
Error Corrections [Member] | Adjustment [Member]
Other (expense) income:
Extinguishment of debt, net					$ (15,868,000)		$ 0

[1] For discussion on the restatement adjustments, see Note 2 - Restatement of Previously Issued Financial Statements.

[2] Includes $113,000 and $19.9 million to affiliates for the three months ended June 30, 2014 and 2013, respectively, and $1.7 million and $26.8 million to affiliates for the six months ended June 30, 2014 and 2013, respectively.

[3] Includes $40,000 and $255,000 to affiliates for the three months ended June 30, 2014 and 2013, respectively, and $137.8 million and $107.0 million to affiliates for the six months ended June 30, 2014 and 2013, respectively.

[4] This line item caption has been updated to "merger and other non-routine transactions" in the accompanying consolidated statements of operations.

[5] This line item caption has been updated to merger and other non-routine transactions in the accompanying consolidated statements of operations.

[6] Includes $437,000 and $4.1 million to affiliates for the three months ended June 30, 2014 and 2013, respectively, and $16.0 million and $9.3 million to affiliates for the six months ended June 30, 2014 and 2013, respectively.

[7] As disclosed above, this line item caption has been reclassified into "general and administrative" in the accompanying consolidated statements of operations.

[8] This line item caption has been added and is included in the accompanying consolidated statements of operations for the period ended June 30, 2014.

[9] The statement of comprehensive loss previously began with net loss attributable to common stockholders. The statement has been updated to begin with net loss to properly show the total comprehensive loss.