CONSOLIDATED FINANCIAL STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 1,457	$ 24,685	$ 24,129
Other comprehensive income:
Increase in fair value of interest rate swaps	1,449
Comprehensive income	2,906	24,685	24,129
Comprehensive income attributable to noncontrolling interests	(349)	(3,160)	(3,803)
Comprehensive income attributable to QTS Realty Trust, Inc.	2,557	21,525	20,326
Qualitytech, LP
Net income	1,457	24,685	24,129
Other comprehensive income:
Increase in fair value of interest rate swaps	1,449
Comprehensive income	$ 2,906	$ 24,685	$ 24,129

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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