STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013 Historical Predecessor [Member]	Jun. 30, 2013 Historical Predecessor [Member]
Revenues:
Rental	$ 41,966	$ 82,545	$ 34,783	$ 68,589
Recoveries from customers	3,852	7,543	3,456	6,322
Cloud and managed services	4,970	9,201	4,325	8,435
Other	550	992	376	1,092
Total revenues	51,338	100,281	42,940	84,438
Operating Expenses:
Property operating costs	16,529	32,752	14,884	29,292
Real estate taxes and insurance	1,118	2,336	1,090	2,203
Depreciation and amortization	13,817	27,064	11,246	22,061
General and administrative	11,473	22,251	9,696	19,290
Restructuring	1,046	1,046
Transaction costs	1,089	1,153
Total operating expenses	45,072	86,602	36,916	72,846
Operating income	6,266	13,679	6,024	11,592
Other income and expenses:
Interest income		8	7	13
Interest expense	(2,208)	(4,273)	(5,084)	(11,634)
Other (expense) income, net	(110)	(110)	(2,179)	(3,277)
Income (loss) before taxes	3,948	9,304	(1,232)	(3,306)
Tax expense of taxable REIT subsidiaries	(27)	(55)
Net income (loss)	3,921	9,249	(1,232)	(3,306)
Net income attributable to noncontrolling interests	(831)	(1,961)
Net income (loss) attributable to QTS Realty Trust, Inc	3,090	7,288	(1,232)	(3,306)
Unrealized gain on swap	127	232	140	212
Comprehensive income (loss)	$ 3,217	$ 7,520	$ (1,092)	$ (3,094)
Net income per share attributable to common shares:
Basic	$ 0.11	$ 0.25
Diluted	$ 0.11	$ 0.25
Weighted average common shares outstanding:
Basic	29,016,774	29,001,374
Diluted	37,009,746	36,934,210