Condensed Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Rental income	$ 33,677	$ 11,076	$ 60,901	$ 19,941
Tenant recovery income	10,038	4,036	18,344	6,377
Other property income	199	52	346	83
Total revenues	43,914	15,164	79,591	26,401
Expenses:
Property operating	6,999	2,248	13,124	4,144
Real estate taxes	6,450	2,107	10,732	3,619
General and administrative	2,497	690	4,268	1,582
Acquisition expenses	5,925	3,152	11,311	5,666
Depreciation and amortization	19,198	6,321	34,601	11,555
Total expenses	41,069	14,518	74,036	26,566
Operating income (loss)	2,845	646	5,555	(165)
Other income (expense):
Interest expense, net	(4,890)	(2,287)	(8,570)	(4,387)
Other income (expense)	166	(13)	713	(13)
Net loss	(1,879)	(1,654)	(2,302)	(4,565)
Net income attributable to noncontrolling interests	0	(339)	0	(276)
Net loss attributable to Company stockholders	(1,879)	(1,993)	(2,302)	(4,841)
Per share information - basic and diluted:
Net loss per share - basic and diluted	$ (0.01)	$ (0.05)	$ (0.01)	$ (0.18)
Weighted-average common shares outstanding - basic and diluted	178,508,251	37,692,167	177,686,157	27,626,407
Comprehensive loss:
Net loss	(1,879)	(1,654)	(2,302)	(4,565)
Other comprehensive income:
Change in unrealized (loss) gain on interest rate swaps, net	0	1,054	(690)	971
Comprehensive loss	(1,879)	(600)	(2,992)	(3,594)
Comprehensive income attributable to noncontrolling interests	0	(339)	0	(276)
Comprehensive loss attributable to Company stockholders	$ (1,879)	$ (939)	$ (2,992)	$ (3,870)