STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME UNAUDITED) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Rental		$ 52,193	$ 41,966	$ 101,526	$ 82,545
Recoveries from customers		5,582	3,852	11,246	7,543
Cloud and managed services		8,220	4,970	14,015	9,201
Other		2,122	550	2,716	992
Total revenues		68,117	51,338	129,503	100,281
Operating Expenses:
Property operating costs		22,031	16,529	41,367	32,752
Real estate taxes and insurance		1,474	1,118	2,959	2,336
Depreciation and amortization		18,062	13,817	34,305	27,064
General and administrative		14,615	11,473	28,453	22,251
Restructuring			1,046		1,046
Transaction and integration costs		4,669	1,089	4,774	1,153
Total operating expenses		60,851	45,072	111,858	86,602
Operating income		7,266	6,266	17,645	13,679
Other income and expenses:
Interest income		1		1	8
Interest expense		(4,799)	(2,208)	(10,141)	(4,273)
Other (expense) income, net		(83)	(110)	(83)	(110)
Income before taxes		2,385	3,948	7,422	9,304
Tax benefit (expense) of taxable REIT subsidiaries		3,135	(27)	3,135	(55)
Net income		5,520	3,921	10,557	9,249
Net income attributable to noncontrolling interests		(888)	(831)	(1,843)	(1,961)
Net income		4,632	3,090	8,714	7,288
Unrealized gain on swap			127		232
Comprehensive income		$ 4,632	$ 3,217	$ 8,714	$ 7,520
Net income per share attributable to common shares:
Basic		$ 0.13	$ 0.11	$ 0.26	$ 0.25
Diluted		$ 0.12	$ 0.11	$ 0.25	$ 0.25
Weighted average common shares outstanding:
Basic		36,668,755	29,016,774	33,996,467	29,001,374
Diluted	[1]	44,444,104	37,009,746	41,867,944	36,934,210
Qualitytech, LP [Member]
Revenues:
Rental		$ 52,193	$ 41,966	$ 101,526	$ 82,545
Recoveries from customers		5,582	3,852	11,246	7,543
Cloud and managed services		8,220	4,970	14,015	9,201
Other		2,122	550	2,716	992
Total revenues		68,117	51,338	129,503	100,281
Operating Expenses:
Property operating costs		22,031	16,529	41,367	32,752
Real estate taxes and insurance		1,474	1,118	2,959	2,336
Depreciation and amortization		18,062	13,817	34,305	27,064
General and administrative		14,615	11,473	$ 28,453	22,251
Restructuring			1,046		1,046
Transaction and integration costs		4,669	1,089	$ 4,774	1,153
Total operating expenses		60,851	45,072	111,858	86,602
Operating income		7,266	6,266	17,645	13,679
Other income and expenses:
Interest income		1		1	8
Interest expense		(4,799)	(2,208)	(10,141)	(4,273)
Other (expense) income, net		(83)	(110)	(83)	(110)
Income before taxes		2,385	3,948	7,422	9,304
Tax benefit (expense) of taxable REIT subsidiaries		3,135	(27)	3,135	(55)
Net income		5,520	3,921	10,557	9,249
Unrealized gain on swap			127		232
Comprehensive income		$ 5,520	$ 4,048	$ 10,557	$ 9,481

[1] Includes 7,063 Class A and Class RS units, 492 "in the money" value of Class O units on an "as if" converted basis and 220 "in the money" value of options to purchase shares of Class A common stock on an "as if" converted basis as of the three months ended June 30, 2015, and 7,189 Class A and Class RS units, 464 "in the money" value of Class O units on an "as if" converted basis and 218 "in the money" value of options to purchase shares of Class A common stock on an "as if" converted basis as of the six months ended June 30, 2015. As of the three months ended June 30, 2014, this amount included 7,797 Class A and Class RS units, 89 "in the money" value of Class O units on as "as if" converted basis and 107 "in the money" value options to purchase shares of Class A common stock on an "as if" converted basis, and as of the six months ended June 30, 2014, this amount included 7,797 Class A and Class RS units, 57 "in the money" value of Class O units on an "as if" converted basis and 79 "in the money" value options to purchase shares of Class A common stock on as "as if" converted basis.