CONDENSED CONSOLIDATED FINANCIAL STATEMENTS OF CASH FLOW (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Cash flow from operating activities:
Net income	$ 5,807	$ 5,520	$ 12,666	$ 10,557
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization			57,137	33,475
Amortization of deferred loan costs			1,626	1,585
Amortization of senior notes discount			128	123
Equity-based compensation expense			5,250	3,138
Bad debt expense			808	366
Write off of deferred loan costs				83
Deferred tax benefit			(5,059)	(3,135)
Changes in operating assets and liabilities
Rents and other receivables, net			(9,834)	(1,556)
Prepaid expenses			(1,966)	(2,760)
Other assets			(479)	(326)
Accounts payable and accrued liabilities			5,390	(1,641)
Advance rents, security deposits and other liabilities			1,484	(454)
Deferred income			1,351	1,888
Net cash provided by operating activities			68,502	41,343
Cash flow from investing activities:
Acquisitions, net of cash acquired			(122,981)	(288,865)
Additions to property and equipment			(149,303)	(170,150)
Net cash used in investing activities			(272,284)	(459,015)
Cash flow from financing activities:
Credit facility proceeds			231,000	350,162
Debt repayment			(259,002)	(260,000)
Payment of deferred financing costs				(512)
Payment of cash dividends			(28,104)	(19,673)
Distribution to noncontrolling interests			(4,724)	(4,414)
Payments to net settle equity awards			(635)	(182)
Principal payments on capital lease obligations			(6,454)	(1,227)
Mortgage principal debt repayments				(16,600)
Equity proceeds, net of costs			275,673	370,074
Net cash provided by financing activities			207,754	417,628
Net increase (decrease) in cash and cash equivalents			3,972	(44)
Cash and cash equivalents, beginning of period			8,804	10,788
Cash and cash equivalents, end of period	12,776	10,744	12,776	10,744
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)			9,001	8,866
Noncash investing and financing activities:
Accrued capital additions			16,988	56,366
Accrued equity issuance costs			10
Capital lease and lease financing obligations assumed				43,832
Land	7,439	1,130	7,439	1,130
Buildings, improvements and equipment	78,370	79,372	78,370	79,372
Construction in process	13,900	12,127	13,900	12,127
Rents and other receivables, net	(2,033)	13,781	(2,033)	13,781
Acquired intangibles	36,368	92,300	36,368	92,300
Deferred costs	4,084	532	4,084	532
Prepaid expenses	479	1,664	479	1,664
Goodwill			(7,895)	173,237
Other assets	303	737	303	737
Accounts payable and accrued liabilities	(922)	(12,429)	(922)	(12,429)
Advance rents, security deposits and other liabilities	(1,102)	(2,849)	(1,102)	(2,849)
Deferred income	35	(7,139)	35	(7,139)
Deferred income taxes	(6,045)	(19,766)	(6,045)	(19,766)
Total acquisitions, net of cash acquired			122,981	288,865
Qualitytech, LP [Member]
Cash flow from operating activities:
Net income	5,807	5,520	12,666	10,557
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization			57,137	33,475
Amortization of deferred loan costs			1,626	1,585
Amortization of senior notes discount			128	123
Equity-based compensation expense			5,250	3,138
Bad debt expense			808	366
Write off of deferred loan costs				83
Deferred tax benefit			(5,059)	(3,135)
Changes in operating assets and liabilities
Rents and other receivables, net			(9,834)	(1,556)
Prepaid expenses			(1,966)	(2,760)
Other assets			(479)	(326)
Accounts payable and accrued liabilities			5,390	(1,641)
Advance rents, security deposits and other liabilities			1,484	(454)
Deferred income			1,351	1,888
Net cash provided by operating activities			68,502	41,343
Cash flow from investing activities:
Acquisitions, net of cash acquired			(122,981)	(288,865)
Additions to property and equipment			(149,303)	(170,150)
Net cash used in investing activities			(272,284)	(459,015)
Cash flow from financing activities:
Credit facility proceeds			231,000	350,162
Debt repayment			(259,002)	(260,000)
Payment of deferred financing costs				(512)
Payment of cash dividends			(28,104)	(19,673)
Partnership distributions			(4,724)	(4,414)
Payments to net settle equity awards			(635)	(182)
Principal payments on capital lease obligations			(6,454)	(1,227)
Mortgage principal debt repayments				(16,600)
Equity proceeds, net of costs			275,673	370,074
Net cash provided by financing activities			207,754	417,628
Net increase (decrease) in cash and cash equivalents			3,972	(44)
Cash and cash equivalents, beginning of period			8,804	10,788
Cash and cash equivalents, end of period	12,776	10,744	12,776	10,744
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)			9,001	8,866
Noncash investing and financing activities:
Accrued capital additions			16,988	56,366
Accrued equity issuance costs			10
Capital lease and lease financing obligations assumed				43,832
Land	7,439	1,130	7,439	1,130
Buildings, improvements and equipment	78,370	79,372	78,370	79,372
Construction in process	13,900	12,127	13,900	12,127
Rents and other receivables, net	(2,033)	13,781	(2,033)	13,781
Acquired intangibles	36,368	92,300	36,368	92,300
Deferred costs	4,084	532	4,084	532
Prepaid expenses	479	1,664	479	1,664
Goodwill			(7,895)	173,237
Other assets	303	737	303	737
Accounts payable and accrued liabilities	(922)	(12,429)	(922)	(12,429)
Advance rents, security deposits and other liabilities	(1,102)	(2,849)	(1,102)	(2,849)
Deferred income	35	(7,139)	35	(7,139)
Deferred income taxes	$ (6,045)	$ (19,766)	(6,045)	(19,766)
Total acquisitions, net of cash acquired			$ 122,981	$ 288,865