INTERIM CONSOLIDATED FINANCIAL STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net income (loss)	$ 21,148	$ (252)
Other comprehensive income:
Increase (decrease) in fair value of derivative contracts	(9,853)	5,982
Reclassification of other comprehensive income to interest expense (income)	(494)	402
Comprehensive income	10,801	6,132
Comprehensive (income) attributable to noncontrolling interests	(1,217)	(702)
Comprehensive income attributable to QTS Realty Trust, Inc.	9,584	5,430
Qualitytech, LP
Net income (loss)	21,148	(252)
Other comprehensive income:
Increase (decrease) in fair value of derivative contracts	(9,853)	5,982
Reclassification of other comprehensive income to interest expense (income)	(494)	402
Comprehensive income	$ 10,801	$ 6,132