CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net income	$ 8,120	$ 21,148
Other comprehensive income (loss):
Foreign currency translation adjustment loss	(223)
Decrease in fair value of derivative contracts	(36,715)	(9,853)
Reclassification of other comprehensive income to utilities expense	354	0
Reclassification of other comprehensive income to interest expense	758	(494)
Comprehensive income (loss)	(27,706)	10,801
Comprehensive (income) loss attributable to noncontrolling interests	2,831	(1,217)
Comprehensive income (loss) attributable to QTS Realty Trust, Inc.	(24,875)	9,584
Qualitytech, LP
Net income	8,120	21,148
Other comprehensive income (loss):
Foreign currency translation adjustment loss	(223)
Decrease in fair value of derivative contracts	(36,715)	(9,853)
Reclassification of other comprehensive income to utilities expense	354
Reclassification of other comprehensive income to interest expense	758	(494)
Comprehensive income (loss)	$ (27,706)	$ 10,801