INTERIM CONSOLIDATED FINANCIAL STATEMENTS STATEMENTS OF CASH FLOW $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Cash flow from operating activities:
Net income	$ 5,807	$ 10,176	$ 12,666
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		66,443	56,936
Amortization of above and below market leases	100	479	201
Amortization of deferred loan costs		1,815	1,626
Amortization of senior notes discount		136	128
Equity-based compensation expense		6,815	5,250
Bad debt expense		1,105	808
Deferred tax benefit		(2,979)	(5,059)
Changes in operating assets and liabilities
Rents and other receivables, net		(3,599)	(9,834)
Prepaid expenses		(1,957)	(1,966)
Other assets		(595)	(479)
Accounts payable and accrued liabilities		(7,640)	5,390
Advance rents, security deposits and other liabilities		5,745	1,484
Deferred income		1,440	1,351
Net cash provided by operating activities		77,384	68,502
Cash flow from investing activities:
Acquisitions, net of cash acquired		5,019	122,981
Additions to property and equipment		(139,818)	(149,303)
Net cash used in investing activities		(144,837)	(272,284)
Cash flow from financing activities:
Credit facility proceeds		109,000	231,000
Debt repayment			(259,002)
Debt proceeds		1,920
Payment of deferred financing costs		(38)
Payment of cash dividends		(35,958)	(28,104)
Distribution to noncontrolling interests		(5,087)	(4,724)
Proceeds from exercise of stock options		662	666
Payment of tax withholdings related to equity based awards		(2,464)	(1,301)
Principal payments on capital lease obligations		(6,547)	(6,454)
Mortgage principal debt repayments		(22)
Equity proceeds, net of issuance costs		39,011	275,673
Net cash provided by financing activities		100,477	207,754
Net increase in cash and cash equivalents		33,024	3,972
Cash and cash equivalents, beginning of period		9,580	8,804
Cash and cash equivalents, end of period	12,776	42,604	12,776
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)		11,517	9,001
Noncash investing and financing activities:
Accrued capital additions		46,894	16,988
Increase in other liabilities related to change in fair value of interest rate swaps		1,499
Accrued equity issuance costs			10
Acquisitions, net of cash acquired:
Land	7,439	5,019	7,439
Buildings, improvements and equipment	78,370		78,370
Construction in process	13,900		13,900
Rents and other receivables, net	(2,033)		(2,033)
Acquired intangibles	36,368		36,368
Deferred costs	4,084		4,084
Prepaid expenses	479		479
Goodwill			(7,895)
Other assets	303		303
Accounts payable and accrued liabilities	(922)		(922)
Advance rents, security deposits and other liabilities	(1,102)		(1,102)
Deferred income	35		35
Deferred income taxes	(6,045)		(6,045)
Total acquisitions, net of cash acquired		5,019	122,981
Qualitytech, LP [Member]
Cash flow from operating activities:
Net income	5,807	10,176	12,666
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		66,443	56,936
Amortization of above and below market leases		479	201
Amortization of deferred loan costs		1,815	1,626
Amortization of senior notes discount		136	128
Equity-based compensation expense		6,815	5,250
Bad debt expense		1,105	808
Deferred tax benefit		(2,979)	(5,059)
Changes in operating assets and liabilities
Rents and other receivables, net		(3,599)	(9,834)
Prepaid expenses		(1,957)	(1,966)
Other assets		(595)	(479)
Accounts payable and accrued liabilities		(7,640)	5,390
Advance rents, security deposits and other liabilities		5,745	1,484
Deferred income		1,440	1,351
Net cash provided by operating activities		77,384	68,502
Cash flow from investing activities:
Acquisitions, net of cash acquired		5,019	122,981
Additions to property and equipment		(139,818)	(149,303)
Net cash used in investing activities		(144,837)	(272,284)
Cash flow from financing activities:
Credit facility proceeds		109,000	231,000
Debt repayment			(259,002)
Debt proceeds		1,920
Payment of deferred financing costs		(38)
Payment of cash dividends		(35,958)	(28,104)
Partnership distributions		(5,087)	(4,724)
Proceeds from exercise of stock options		662	666
Payment of tax withholdings related to equity based awards		(2,464)	(1,301)
Principal payments on capital lease obligations		(6,547)	(6,454)
Mortgage principal debt repayments		(22)
Equity proceeds, net of issuance costs		39,011	275,673
Net cash provided by financing activities		100,477	207,754
Net increase in cash and cash equivalents		33,024	3,972
Cash and cash equivalents, beginning of period		9,580	8,804
Cash and cash equivalents, end of period	12,776	42,604	12,776
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (excluding deferred financing costs and amounts capitalized)		11,517	9,001
Noncash investing and financing activities:
Accrued capital additions		46,894	16,988
Increase in other liabilities related to change in fair value of interest rate swaps		1,499
Accrued equity issuance costs			10
Acquisitions, net of cash acquired:
Land	7,439	5,019	7,439
Buildings, improvements and equipment	78,370		78,370
Construction in process	13,900		13,900
Rents and other receivables, net	(2,033)		(2,033)
Acquired intangibles	36,368		36,368
Deferred costs	4,084		4,084
Prepaid expenses	479		479
Goodwill			(7,895)
Other assets	303		303
Accounts payable and accrued liabilities	(922)		(922)
Advance rents, security deposits and other liabilities	(1,102)		(1,102)
Deferred income	35		35
Deferred income taxes	$ (6,045)		(6,045)
Total acquisitions, net of cash acquired		$ 5,019	$ 122,981