INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 6,907	$ 6,588	$ 25,236	$ 35,271
Other comprehensive income (loss):
Foreign currency translation adjustment gain (loss)	166	(426)	7	(360)
Increase (decrease) in fair value of derivative contracts	5,500	(5,733)	(34,856)	(34,192)
Reclassification of other comprehensive income to utilities expense	197	0	961	0
Reclassification of other comprehensive income to interest expense	3,352	(235)	6,813	(1,200)
Comprehensive income (loss)	16,122	194	(1,839)	(481)
Comprehensive (income) loss attributable to noncontrolling interests	(1,626)	(22)	183	52
Comprehensive income (loss) attributable to QTS Realty Trust, Inc.	14,496	172	(1,656)	(429)
QualityTech, LP
Net income	6,907	6,588	25,236	35,271
Other comprehensive income (loss):
Foreign currency translation adjustment gain (loss)	166	(426)	7	(360)
Increase (decrease) in fair value of derivative contracts	5,500	(5,733)	(34,856)	(34,192)
Reclassification of other comprehensive income to utilities expense	197	0	961	0
Reclassification of other comprehensive income to interest expense	3,352	(235)	6,813	(1,200)
Comprehensive income (loss)	$ 16,122	$ 194	$ (1,839)	$ (481)