CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Real Estate Assets
Land	$ 105,541	$ 88,216
Buildings, Improvements and Equipment	1,917,251	1,701,287
Less: Accumulated depreciation	(467,644)	(394,823)
Total real estate assets	1,555,148	1,394,680
Construction in progress	790,064	567,819
Real Estate Assets, net	2,345,212	1,962,499
Cash and cash equivalents	11,759	8,243
Rents and other receivables, net	55,093	47,046
Acquired intangibles, net	95,451	109,451
Deferred costs, net	45,096	41,545
Prepaid expenses	6,822	6,163
Goodwill	173,843	173,843
Assets held for sale	71,800
Other assets, net	56,893	66,266
TOTAL ASSETS	2,861,969	2,415,056
LIABILITIES
Unsecured credit facility, net	945,657	825,186
Senior notes, net of debt issuance costs	394,786	394,178
Capital lease, lease financing obligations and mortgage notes payable	4,674	10,565
Accounts payable and accrued liabilities	99,166	113,430
Dividends and distributions payable	29,633	22,222
Advance rents, security deposits and other liabilities	32,679	28,903
Liabilities held for sale	24,349
Deferred income taxes	1,097	4,611
Deferred income	33,241	25,305
TOTAL LIABILITIES	1,565,282	1,424,400
EQUITY
Common stock / units	511	507
Additional paid-in capital	1,062,473	1,049,176
Accumulated other comprehensive income	2,073	1,283
Accumulated dividends in excess of earnings	(278,548)	(173,552)
Total stockholders' equity	1,193,986	877,414
Noncontrolling interests	102,701	113,242
TOTAL EQUITY	1,296,687	990,656
TOTAL LIABILITIES AND EQUITY	2,861,969	2,415,056
Qualitytech, LP
Real Estate Assets
Land	105,541	88,216
Buildings, Improvements and Equipment	1,917,251	1,701,287
Less: Accumulated depreciation	(467,644)	(394,823)
Total real estate assets	1,555,148	1,394,680
Construction in progress	790,064	567,819
Real Estate Assets, net	2,345,212	1,962,499
Cash and cash equivalents	11,759	8,243
Rents and other receivables, net	55,093	47,046
Acquired intangibles, net	95,451	109,451
Deferred costs, net	45,096	41,545
Prepaid expenses	6,822	6,163
Goodwill	173,843	173,843
Assets held for sale	71,800
Other assets, net	56,893	66,266
TOTAL ASSETS	2,861,969	2,415,056
LIABILITIES
Unsecured credit facility, net	945,657	825,186
Senior notes, net of debt issuance costs	394,786	394,178
Capital lease, lease financing obligations and mortgage notes payable	4,674	10,565
Accounts payable and accrued liabilities	99,166	113,430
Dividends and distributions payable	29,633	22,222
Advance rents, security deposits and other liabilities	32,679	28,903
Liabilities held for sale	24,349
Deferred income taxes	1,097	4,611
Deferred income	33,241	25,305
TOTAL LIABILITIES	1,565,282	1,424,400
EQUITY
Accumulated other comprehensive income	2,344	1,449
TOTAL EQUITY	1,296,687	990,656
TOTAL PARTNERS' CAPITAL	1,296,687	990,656
TOTAL LIABILITIES AND EQUITY	2,861,969	2,415,056
Series A Redeemable Perpetual Preferred Units [Member] | Qualitytech, LP
EQUITY
Cumulative redeemable perpetual preferred stock / units	103,212
Series B Convertible Preferred Units [Member] | Qualitytech, LP
EQUITY
Cumulative redeemable perpetual preferred stock / units	304,265
Common units: $0.01 par value, 450,133,000 units authorized, 57,799,035 and 57,245,524 units issued and outstanding as of December 31, 2018 and December 31, 2017, respectively | Qualitytech, LP
EQUITY
Common stock / units	886,866	$ 989,207
Series A Redeemable Perpetual Preferred [Member]
EQUITY
Cumulative redeemable perpetual preferred stock / units	103,212
Series B Convertible Preferred Stock [Member]
EQUITY
Cumulative redeemable perpetual preferred stock / units	$ 304,265