INTERIM CONSOLIDATED FINANCIAL STATEMENTS CONSOLIDATED STATEMENT OF EQUITY - 3 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Qualitytech, LP Accumulated Other Comprehensive Income (Loss)	Qualitytech, LP Series A 7.125 Limited Partner	Qualitytech, LP Common Units General Partner	Qualitytech, LP Common Units Limited Partner	Qualitytech, LP	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Dividends in Excess of Earnings	Total stockholders' Equity	Noncontrolling Interest	Total
Beginning balance at Dec. 31, 2017	$ 1,449				$ 990,656		$ 507	$ 1,049,176	$ 1,283	$ (173,552)	$ 877,414	$ 113,242	$ 990,656
Beginning balance at Dec. 31, 2017				$ 989,207
Partners' Capital, Beginning Balance at Dec. 31, 2017					990,656
Beginning balance, shares at Dec. 31, 2017							50,702
Beginning balance, shares at Dec. 31, 2017				57,246
Beginning balance, shares at Dec. 31, 2017			1
Net share activity through equity award plan				$ (238)	(238)		$ 4	(1,311)			(1,307)	1,069	(238)
Net share activity through equity award plan, shares				564			434
Increase in fair value of interest rate swaps	5,982				5,982				5,290		5,290	692	5,982
Equity-based compensation expense				$ 4,898	4,898			4,337			4,337	561	4,898
Net proceeds from Series A Preferred Stock offering		$ 103,184			103,184	$ 103,184					103,184		103,184
Net proceeds from Series A Preferred Stock offering (in shares)		4,280				4,280
Dividends declared on Preferred Stock										(328)	(328)		(328)
Dividends declared on Preferred Units				(328)	(328)
Dividends to stockholders				(20,971)	(20,971)					(20,971)	(20,971)		(20,971)
Distributions to noncontrolling interests												(2,736)	(2,736)
Partnership distributions				(2,736)	(2,736)
Net income (loss)				(252)	(252)					(223)	(223)	(29)	(252)
Ending balance at Mar. 31, 2018	$ 7,431				1,080,195	$ 103,184	$ 511	$ 1,052,202	$ 6,573	$ (195,074)	$ 967,396	$ 112,799	$ 1,080,195
Ending balance at Mar. 31, 2018		$ 103,184		$ 969,580
Partners' Capital, Ending Balance at Mar. 31, 2018					$ 1,080,195
Ending balance, shares at Mar. 31, 2018						4,280	51,136
Ending balance, shares at Mar. 31, 2018		4,280		57,810
Ending balance, shares at Mar. 31, 2018			1