CONSOLIDATED FINANCIAL STATEMENTS STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Rental	$ 335,819	$ 295,723	$ 230,510
Recoveries from customers	37,886	29,271	22,581
Cloud and managed services	65,466	68,488	51,994
Other	7,339	8,881	5,998
Total revenues	446,510	402,363	311,083
Operating Expenses:
Property operating costs	153,209	136,488	104,355
Real estate taxes and insurance	11,959	8,840	5,869
Depreciation and amortization	140,924	124,786	85,811
General and administrative	87,231	83,286	67,783
Transaction, integration and impairment costs	11,060	10,906	11,282
Total operating expenses	404,383	364,306	275,100
Operating income	42,127	38,057	35,983
Other income and expenses:
Interest income	67	3	2
Interest expense	(30,523)	(23,159)	(21,289)
Debt restructuring costs	(19,992)	(192)	(468)
Income (loss) before taxes and loss on sale of real estate	(8,321)	14,709	14,228
Tax benefit of taxable REIT subsidiaries	9,778	9,976	10,065
Loss on sale of real estate			(164)
Net income	1,457	24,685	24,129
Net income attributable to noncontrolling interests	(175)	(3,160)	(3,803)
Net income attributable to QTS Realty Trust, Inc.	$ 1,282	$ 21,525	$ 20,326
Net income per share attributable to common shares:
Basic (in dollars per share)	$ 0.01	$ 0.47	$ 0.54
Diluted (in dollars per share)	$ 0.01	$ 0.46	$ 0.53
Weighted average common shares outstanding:
Basic (in shares)	48,380,964	46,205,937	37,568,109
Diluted (in shares)	55,855,683	53,962,234	45,353,170
Qualitytech, LP
Revenues:
Rental	$ 335,819	$ 295,723	$ 230,510
Recoveries from customers	37,886	29,271	22,581
Cloud and managed services	65,466	68,488	51,994
Other	7,339	8,881	5,998
Total revenues	446,510	402,363	311,083
Operating Expenses:
Property operating costs	153,209	136,488	104,355
Real estate taxes and insurance	11,959	8,840	5,869
Depreciation and amortization	140,924	124,786	85,811
General and administrative	87,231	83,286	67,783
Transaction, integration and impairment costs	11,060	10,906	11,282
Total operating expenses	404,383	364,306	275,100
Operating income	42,127	38,057	35,983
Other income and expenses:
Interest income	67	3	2
Interest expense	(30,523)	(23,159)	(21,289)
Debt restructuring costs	(19,992)	(192)	(468)
Income (loss) before taxes and loss on sale of real estate	(8,321)	14,709	14,228
Tax benefit of taxable REIT subsidiaries	9,778	9,976	10,065
Loss on sale of real estate			(164)
Net income	$ 1,457	$ 24,685	$ 24,129