CONDENSED CONSOLIDATED FINANCIAL STATEMENTS CONSOLIDATED STATEMENT OF EQUITY (UNAUDITED) - 9 months ended Sep. 30, 2016 - USD ($) shares in Thousands, $ in Thousands	Qualitytech, LP [Member] General Partner [Member]	Qualitytech, LP [Member] Limited Partner [Member]	Qualitytech, LP [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Dividends in Excess of Earnings [Member]	Total stockholders' Equity [Member]	Noncontrolling Interest [Member]	Total
Beginning balance at Dec. 31, 2015				$ 412	$ 670,275	$ (52,732)	$ 617,955	$ 101,911	$ 719,866
Beginning balance at Dec. 31, 2015		$ 719,866	$ 719,866
Beginning balance, shares at Dec. 31, 2015				41,226
Beginning balance, shares at Dec. 31, 2015	1	48,023
Issuance of shares through equity award plan, shares		307		307
Issuance of shares through equity award plan		$ (1,251)	(1,251)	$ 3	(3)			(1,251)	(1,251)
Equity-based compensation expense, noncontrolling interest								1,021
Net proceeds from equity offering		$ (275,835)	(275,835)	$ (64)	(252,990)		(253,054)	(22,781)	(275,835)
Shares issued		6,325		6,325
Equity-based compensation expense		$ 7,887	7,887		6,866		6,866		7,887
Dividends		(49,365)	(49,365)			(49,365)	(49,365)		(49,365)
Distributions to noncontrolling interests								(7,433)	(7,433)
Partnership distributions		(7,433)	(7,433)
Net income		19,204	19,204			16,719	16,719	2,485	19,204
Ending balance at Sep. 30, 2016				$ 479	$ 930,128	$ (85,378)	$ 845,229	$ 119,514	$ 964,743
Ending balance at Sep. 30, 2016		$ 964,743	$ 964,743
Ending balance, shares at Sep. 30, 2016				47,858
Ending balance, shares at Sep. 30, 2016	1	54,655