INTERIM CONSOLIDATED FINANCIAL STATEMENTS STATEMENTS OF CASH FLOW - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flow from operating activities:
Net income (loss)	$ (6,685)	$ 10,176
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	70,804	66,443
Amortization of above and below market leases	270	479
Amortization of deferred loan costs	1,923	1,815
Amortization of senior notes discount		136
Equity-based compensation expense	7,480	6,815
Bad debt expense (recoveries)	(1,230)	1,105
Deferred tax benefit	(2,443)	(2,979)
Loss on sale of equipment	2,846
Restructuring costs, net of cash paid	10,065
Changes in operating assets and liabilities
Proceeds from sale of property	1,496
Rents and other receivables, net	(1,914)	(3,599)
Prepaid expenses	(3,925)	(1,957)
Other assets	1,867	(595)
Accounts payable and accrued liabilities	3,535	(7,640)
Advance rents, security deposits and other liabilities	1,369	5,745
Deferred income	7,564	1,440
Net cash provided by operating activities	91,526	77,384
Cash flow from investing activities:
Acquisitions, net of cash acquired	(24,626)	(5,019)
Additions to property and equipment	(248,852)	(139,818)
Net cash used in investing activities	(271,982)	(144,837)
Cash flow from financing activities:
Credit facility proceeds	231,000	109,000
Credit facility repayments	(362,000)
Debt proceeds		1,920
Payment of deferred financing costs	(606)	(38)
Payment of Preferred Stock dividend	(635)
Payment of common stock dividends	(40,641)	(35,958)
Distribution to noncontrolling interests	(5,289)	(5,087)
Proceeds from exercise of stock options	18	662
Payment of tax withholdings related to equity-based awards	(1,233)	(2,464)
Principal payments on capital lease obligations	(4,316)	(6,547)
Mortgage principal debt repayments	(32)	(22)
Preferred stock issuance proceeds, net of costs	408,415
Common stock issuance proceeds, net of costs		39,011
Net cash provided by financing activities	224,681	100,477
Net increase in cash and cash equivalents	44,225	33,024
Cash and cash equivalents, beginning of period	8,243	9,580
Cash and cash equivalents, end of period	52,468	42,604
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)	14,265	11,517
Noncash investing and financing activities:
Accrued capital additions	67,708	46,894
Increase in other assets related to change in fair value of interest rate swaps	8,545	1,499
Accrued equity issuance costs	777
Accrued preferred stock dividend	2,576
Accrued deferred financing costs	14
Qualitytech, LP
Cash flow from operating activities:
Net income (loss)	(6,685)	10,176
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	70,804	66,443
Amortization of above and below market leases	270	479
Amortization of deferred loan costs	1,923	1,815
Amortization of senior notes discount		136
Equity-based compensation expense	7,480	6,815
Bad debt expense (recoveries)	(1,230)	1,105
Deferred tax benefit	(2,443)	(2,979)
Loss on sale of equipment	2,846
Restructuring costs, net of cash paid	10,065
Changes in operating assets and liabilities
Proceeds from sale of property	1,496
Rents and other receivables, net	(1,914)	(3,599)
Prepaid expenses	(3,925)	(1,957)
Other assets	1,867	(595)
Accounts payable and accrued liabilities	3,535	(7,640)
Advance rents, security deposits and other liabilities	1,369	5,745
Deferred income	7,564	1,440
Net cash provided by operating activities	91,526	77,384
Cash flow from investing activities:
Acquisitions, net of cash acquired	(24,626)	(5,019)
Additions to property and equipment	(248,852)	(139,818)
Net cash used in investing activities	(271,982)	(144,837)
Cash flow from financing activities:
Credit facility proceeds	231,000	109,000
Credit facility repayments	(362,000)
Debt proceeds		1,920
Payment of deferred financing costs	(606)	(38)
Payment of Preferred Stock dividend	(635)
Payment of cash dividends	(40,641)	(35,958)
Proceeds from exercise of stock options	18	662
Payment of tax withholdings related to equity-based awards	(1,233)	(2,464)
Principal payments on capital lease obligations	(4,316)	(6,547)
Mortgage principal debt repayments	(32)	(22)
Preferred stock issuance proceeds, net of costs	408,415
Common stock issuance proceeds, net of costs		39,011
Partnership distributions	(5,289)	(5,087)
Net cash provided by financing activities	224,681	100,477
Net increase in cash and cash equivalents	44,225	33,024
Cash and cash equivalents, beginning of period	8,243	9,580
Cash and cash equivalents, end of period	52,468	42,604
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)	14,265	11,517
Noncash investing and financing activities:
Accrued capital additions	67,708	46,894
Increase in other assets related to change in fair value of interest rate swaps	8,545	$ 1,499
Accrued equity issuance costs	777
Accrued preferred stock dividend	2,576
Accrued deferred financing costs	$ 14