INTERIM CONSOLIDATED FINANCIAL STATEMENTS STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Rental	$ 89,232	$ 80,793	$ 174,945	$ 159,910
Total revenues	112,277	107,868	225,974	213,832
Operating Expenses:
Property operating costs	36,558	36,846	74,298	72,267
Real estate taxes and insurance	2,903	2,946	5,808	6,093
Depreciation and amortization	37,820	34,527	73,733	68,475
General and administrative	21,031	22,562	43,265	44,759
Transaction, integration and impairment costs	653	161	1,573	497
Restructuring	11,430		19,960
Total operating expenses	110,395	97,042	218,637	192,091
Operating income	1,882	10,826	7,337	21,741
Other income and expenses:
Interest income	25		26	1
Interest expense	(8,203)	(7,647)	(16,313)	(14,516)
Income (loss) before taxes	(6,296)	3,179	(8,950)	7,226
Tax benefit (expense) of taxable REIT subsidiaries	(137)	1,429	2,265	2,950
Net income (loss)	(6,433)	4,608	(6,685)	10,176
Net (income) loss attributable to noncontrolling interests	1,002	(568)	1,031	(1,259)
Net income (loss) attributable to QTS Realty Trust, Inc.	(5,431)	4,040	(5,654)	8,917
Preferred stock dividends	(2,248)		(2,576)
Net income (loss) attributable to common stokholders	$ (7,679)	$ 4,040	$ (8,230)	$ 8,917
Net income (loss) per share attributable to common shares:
Basic	$ (0.16)	$ 0.08	$ (0.17)	$ 0.18
Diluted	$ (0.16)	$ 0.08	$ (0.17)	$ 0.17
Recoveries From Customers
Revenues:
Revenue	$ 10,444	$ 8,774	$ 21,957	$ 17,135
Cloud and managed services
Revenues:
Revenue	10,974	16,856	24,155	33,821
Other
Revenues:
Revenue	1,627	1,445	4,917	2,966
Qualitytech, LP
Revenues:
Rental	89,232	80,793	174,945	159,910
Total revenues	112,277	107,868	225,974	213,832
Operating Expenses:
Property operating costs	36,558	36,846	74,298	72,267
Real estate taxes and insurance	2,903	2,946	5,808	6,093
Depreciation and amortization	37,820	34,527	73,733	68,475
General and administrative	21,031	22,562	43,265	44,759
Transaction, integration and impairment costs	653	161	1,573	497
Restructuring	11,430		19,960
Total operating expenses	110,395	97,042	218,637	192,091
Operating income	1,882	10,826	7,337	21,741
Other income and expenses:
Interest income	25		26	1
Interest expense	(8,203)	(7,647)	(16,313)	(14,516)
Income (loss) before taxes	(6,296)	3,179	(8,950)	7,226
Tax benefit (expense) of taxable REIT subsidiaries	(137)	1,429	2,265	2,950
Net income (loss)	(6,433)	4,608	(6,685)	10,176
Preferred unit distributions	(2,248)		(2,576)
Net income (loss) attributable to common stokholders	(8,681)	4,608	(9,261)	10,176
Qualitytech, LP | Recoveries From Customers
Revenues:
Revenue	10,444	8,774	21,957	17,135
Qualitytech, LP | Cloud and managed services
Revenues:
Revenue	10,974	16,856	24,155	33,821
Qualitytech, LP | Other
Revenues:
Revenue	$ 1,627	$ 1,445	$ 4,917	$ 2,966