CONDENSED CONSOLIDATED FINANCIAL STATEMENTS OF EQUITY (UNAUDITED) - 6 months ended Jun. 30, 2016 - USD ($) shares in Thousands, $ in Thousands	Qualitytech, LP [Member] General Partner [Member]	Qualitytech, LP [Member] Limited Partner [Member]	Qualitytech, LP [Member]	Total stockholders' Equity [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Dividends in Excess of Earnings [Member]	Noncontrolling Interest [Member]	Total
Beginning balance at Dec. 31, 2015				$ 617,955	$ 412	$ 670,275	$ (52,732)	$ 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		314			314
Issuance of shares through equity award plan		$ (635)	(635)		$ 3	(3)		(635)	(635)
Net proceeds from equity offering		$ 275,839	275,839	253,549	$ 63	253,486		22,290	275,839
Net proceeds from equity offering, shares		6,325			6,325
Equity-based compensation expense		$ 5,250	5,250	4,555		4,555			5,250
Equity-based compensation expense, noncontrolling interest								695
Dividends		(32,140)	(32,140)	(32,140)			(32,140)		(32,140)
Distributions to noncontrolling interests								(5,003)	(5,003)
Partnership distributions		(5,003)	(5,003)
Net income		12,666	12,666	10,989			10,989	1,677	12,666
Ending balance at Jun. 30, 2016				$ 854,908	$ 478	$ 928,313	$ (73,883)	$ 120,935	$ 975,843
Ending balance at Jun. 30, 2016		$ 975,843	$ 975,843
Ending balance, shares at Jun. 30, 2016					47,865
Ending balance, shares at Jun. 30, 2016	1	54,662