CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flow from operating activities:
Net income	$ 18,329	$ 28,683
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	89,183	77,019
Amortization of above and below market leases	180	121
Amortization of deferred loan costs	1,978	1,957
Distributions from unconsolidated entity	600
Equity in net loss of unconsolidated entity	1,267	675
Equity-based compensation expense	10,956	7,596
Bad debt expense	5,072	250
Gain on sale of real estate, net		(13,408)
Deferred tax expense (benefit)	(238)	197
Foreign currency remeasurement (income) loss	(159)	40
Changes in operating assets and liabilities
Rents and other receivables, net	(536)	(1,998)
Prepaid expenses	(1,259)	35
Due to/from affiliates, net	(1,085)	7,314
Other assets	(127)	(425)
Accounts payable and accrued liabilities	2,548	(11,815)
Advance rents, security deposits and other liabilities	2,374	(3,601)
Deferred income	4,283	6,791
Net cash provided by operating activities	133,366	99,431
Cash flow from investing activities:
Proceeds from sale of property, net		52,722
Acquisitions, net of cash acquired	(1,797)	(44,150)
Additions to property and equipment	(377,655)	(205,487)
Net cash used in investing activities	(379,452)	(196,915)
Cash flow from financing activities:
Credit facility proceeds	298,405	213,311
Credit facility repayments	(108,000)	(210,000)
Payment of deferred financing costs	(101)	(141)
Payment of preferred stock dividends	(14,090)	(14,090)
Payment of common stock dividends	(54,020)	(45,332)
Distribution to noncontrolling interests	(6,068)	(5,669)
Proceeds from exercise of stock options	882	3,357
Payment of tax withholdings related to equity-based awards	(3,327)	(2,523)
Principal payments on finance lease obligations	(1,275)	(1,560)
Mortgage principal debt repayments	(29)	(26)
Common stock issuance proceeds, net of costs	134,077	159,026
Net cash provided by financing activities	246,454	96,353
Effect of foreign currency exchange rates on cash and cash equivalents	453	9
Net change in cash and cash equivalents	821	(1,122)
Cash and cash equivalents, beginning of period	15,653	11,759
Cash and cash equivalents, end of period	16,474	10,638
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)	28,059	27,828
Noncash investing and financing activities:
Accrued capital additions	118,627	43,780
Net decrease in other assets/liabilities related to change in fair value of derivative contracts	(38,688)	(28,459)
Equity received in unconsolidated entity in exchange for real estate assets		25,280
Increase in assets in exchange for finance lease obligation		45,024
Accrued equity issuance costs	405	385
Accrued preferred stock dividend	5,938	5,938
Qualitytech, LP
Cash flow from operating activities:
Net income	18,329	28,683
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	89,183	77,019
Amortization of above and below market leases	180	121
Amortization of deferred loan costs	1,978	1,957
Distributions from unconsolidated entity	600
Equity in net loss of unconsolidated entity	1,267	675
Equity-based compensation expense	10,956	7,596
Bad debt expense	5,072	250
Gain on sale of real estate, net		(13,408)
Deferred tax expense (benefit)	(238)	197
Foreign currency remeasurement (income) loss	(159)	40
Changes in operating assets and liabilities
Rents and other receivables, net	(536)	(1,998)
Prepaid expenses	(1,259)	35
Due to/from affiliates, net	(1,085)	7,314
Other assets	(127)	(425)
Accounts payable and accrued liabilities	2,548	(11,815)
Advance rents, security deposits and other liabilities	2,374	(3,601)
Deferred income	4,283	6,791
Net cash provided by operating activities	133,366	99,431
Cash flow from investing activities:
Proceeds from sale of property, net		52,722
Acquisitions, net of cash acquired	(1,797)	(44,150)
Additions to property and equipment	(377,655)	(205,487)
Net cash used in investing activities	(379,452)	(196,915)
Cash flow from financing activities:
Credit facility proceeds	298,405	213,311
Credit facility repayments	(108,000)	(210,000)
Payment of deferred financing costs	(101)	(141)
Payment of preferred stock dividends	(14,090)	(14,090)
Payment of cash dividends	(54,020)	(45,332)
Partnership distributions	(6,068)	(5,669)
Proceeds from exercise of stock options	882	3,357
Payment of tax withholdings related to equity-based awards	(3,327)	(2,523)
Principal payments on finance lease obligations	(1,275)	(1,560)
Mortgage principal debt repayments	(29)	(26)
Common stock issuance proceeds, net of costs	134,077	159,026
Net cash provided by financing activities	246,454	96,353
Effect of foreign currency exchange rates on cash and cash equivalents	453	9
Net change in cash and cash equivalents	821	(1,122)
Cash and cash equivalents, beginning of period	15,653	11,759
Cash and cash equivalents, end of period	16,474	10,638
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)	28,059	27,828
Noncash investing and financing activities:
Accrued capital additions	118,627	43,780
Net decrease in other assets/liabilities related to change in fair value of derivative contracts	(38,688)	(28,459)
Equity received in unconsolidated entity in exchange for real estate assets		25,280
Increase in assets in exchange for finance lease obligation		45,024
Accrued equity issuance costs	405	385
Accrued preferred stock dividend	$ 5,938	$ 5,938