INTERIM CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flow from operating activities:
Net income	$ 25,236	$ 35,271
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	138,770	117,448
Amortization of above and below market leases	330	126
Amortization of deferred loan costs	2,968	2,935
Distributions from unconsolidated entity	1,600	0
Equity in net loss of unconsolidated entity	1,633	992
Equity-based compensation expense	19,203	12,052
Bad debt expense	4,599	740
Gain on sale of real estate, net	0	(13,408)
Deferred tax expense (benefit)	(115)	466
Foreign currency remeasurement (income) loss	(159)	(330)
Changes in operating assets and liabilities
Rents and other receivables, net	(10,685)	(20,606)
Prepaid expenses	(681)	(1,318)
Due to/from affiliates, net	2,669	8,378
Other assets	(1,941)	(1,544)
Accounts payable and accrued liabilities	16,298	3,587
Advance rents, security deposits and other liabilities	4,201	(3,719)
Deferred income	16,194	8,163
Net cash provided by operating activities	220,120	149,233
Cash flow from investing activities:
Proceeds from sale of property, net	0	52,722
Acquisitions, net of cash acquired	(12,628)	(69,355)
Additions to property and equipment	(574,539)	(270,879)
Net cash used in investing activities	(587,167)	(287,512)
Cash flow from financing activities:
Credit facility proceeds	491,610	306,149
Credit facility repayments	(289,000)	(334,000)
Payment of deferred financing costs	(101)	(182)
Payment of preferred stock dividends	(21,135)	(21,135)
Payment of common stock dividends	(82,410)	(69,709)
Distribution to noncontrolling interests	(9,201)	(8,601)
Proceeds from exercise of stock options	2,524	3,594
Payment of tax withholdings related to equity-based awards	(4,242)	(3,143)
Principal payments on finance lease obligations	(1,919)	(2,243)
Mortgage principal debt repayments	(46)	(43)
Common stock issuance proceeds, net of costs	285,480	268,392
Net cash provided by financing activities	371,560	139,079
Effect of foreign currency exchange rates on cash and cash equivalents	1,832	959
Net change in cash and cash equivalents	6,345	1,759
Cash and cash equivalents, beginning of period	15,653	11,759
Cash and cash equivalents, end of period	21,998	13,518
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	37,008	37,735
Noncash investing and financing activities:
Accrued capital additions	110,656	41,013
Net decrease in other assets/liabilities related to change in fair value of derivative contracts	(33,423)	(34,192)
Equity received in unconsolidated entity in exchange for real estate assets	0	25,280
Increase in assets in exchange for finance lease obligation	0	45,024
Accrued equity issuance costs	48	197
Accrued preferred stock dividend	5,938	5,938
QualityTech, LP
Cash flow from operating activities:
Net income	25,236	35,271
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	138,770	117,448
Amortization of above and below market leases	330	126
Amortization of deferred loan costs	2,968	2,935
Distributions from unconsolidated entity	1,600	0
Equity in net loss of unconsolidated entity	1,633	992
Equity-based compensation expense	19,203	12,052
Bad debt expense	4,599	740
Gain on sale of real estate, net	0	(13,408)
Deferred tax expense (benefit)	(115)	466
Foreign currency remeasurement (income) loss	(159)	(330)
Changes in operating assets and liabilities
Rents and other receivables, net	(10,685)	(20,606)
Prepaid expenses	(681)	(1,318)
Due to/from affiliates, net	2,669	8,378
Other assets	(1,941)	(1,544)
Accounts payable and accrued liabilities	16,298	3,587
Advance rents, security deposits and other liabilities	4,201	(3,719)
Deferred income	16,194	8,163
Net cash provided by operating activities	220,120	149,233
Cash flow from investing activities:
Proceeds from sale of property, net	0	52,722
Acquisitions, net of cash acquired	(12,628)	(69,355)
Additions to property and equipment	(574,539)	(270,879)
Net cash used in investing activities	(587,167)	(287,512)
Cash flow from financing activities:
Credit facility proceeds	491,610	306,149
Credit facility repayments	(289,000)	(334,000)
Payment of deferred financing costs	(101)	(182)
Payment of preferred stock dividends	(21,135)	(21,135)
Payment of dividends to QTS Realty Trust, Inc.	(82,410)	(69,709)
Partnership distributions	(9,201)	(8,601)
Proceeds from exercise of stock options	2,524	3,594
Payment of tax withholdings related to equity-based awards	(4,242)	(3,143)
Principal payments on finance lease obligations	(1,919)	(2,243)
Mortgage principal debt repayments	(46)	(43)
Common stock issuance proceeds, net of costs	285,480	268,392
Net cash provided by financing activities	371,560	139,079
Effect of foreign currency exchange rates on cash and cash equivalents	1,832	959
Net change in cash and cash equivalents	6,345	1,759
Cash and cash equivalents, beginning of period	15,653	11,759
Cash and cash equivalents, end of period	21,998	13,518
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	37,008	37,735
Noncash investing and financing activities:
Accrued capital additions	110,656	41,013
Net decrease in other assets/liabilities related to change in fair value of derivative contracts	(33,423)	(34,192)
Equity received in unconsolidated entity in exchange for real estate assets	0	25,280
Increase in assets in exchange for finance lease obligation	0	45,024
Accrued equity issuance costs	48	197
Accrued preferred stock dividend	$ 5,938	$ 5,938