BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Real Estate Assets
Land	$ 48,577us-gaap_Land	$ 30,601us-gaap_Land
Buildings and improvements	914,286	728,230
Less: Accumulated depreciation	(180,167)	(137,725)
Total real estate assets	782,696us-gaap_RentalProperties	621,106us-gaap_RentalProperties
Construction in progress	214,719us-gaap_ConstructionInProgressGross	146,904us-gaap_ConstructionInProgressGross
Real Estate Assets, net	997,415us-gaap_RealEstateInvestmentPropertyNet	768,010us-gaap_RealEstateInvestmentPropertyNet
Cash and cash equivalents	10,788	5,210
Rents and other receivables, net	15,579us-gaap_AccountsAndNotesReceivableNet	14,434us-gaap_AccountsAndNotesReceivableNet
Acquired intangibles, net	18,000us-gaap_FiniteLivedIntangibleAssetsNet	5,396us-gaap_FiniteLivedIntangibleAssetsNet
Deferred costs, net	37,058	19,150
Prepaid expenses	3,079	1,797
Other assets, net	24,640us-gaap_OtherAssets	17,359us-gaap_OtherAssets
TOTAL ASSETS	1,106,559us-gaap_Assets	831,356us-gaap_Assets
LIABILITIES
Mortgage notes payable	86,600us-gaap_LoansPayable	88,839us-gaap_LoansPayable
Unsecured credit facility	239,838us-gaap_UnsecuredDebt	256,500us-gaap_UnsecuredDebt
Senior notes	297,729us-gaap_SeniorNotes
Capital lease obligations	13,062us-gaap_CapitalLeaseObligations	2,538us-gaap_CapitalLeaseObligations
Accounts payable and accrued liabilities	64,607	63,204
Dividends payable	10,705	8,965
Advance rents, security deposits and other liabilities	3,302	3,261
Deferred income	10,531us-gaap_DeferredRevenue	7,892us-gaap_DeferredRevenue
Derivative liability		453us-gaap_DerivativeLiabilities
TOTAL LIABILITIES	726,374us-gaap_Liabilities	431,652us-gaap_Liabilities
EQUITY
Common stock	294us-gaap_CommonStockValue	289us-gaap_CommonStockValue
Additional paid-in capital	324,917us-gaap_AdditionalPaidInCapital	318,834us-gaap_AdditionalPaidInCapital
Accumulated other comprehensive income (loss)		(357)
Accumulated dividends in excess of earnings	(22,503)	(3,799)
Total stockholders' equity	302,708us-gaap_StockholdersEquity	314,967us-gaap_StockholdersEquity
Noncontrolling interests	77,477us-gaap_MinorityInterest	84,737us-gaap_MinorityInterest
TOTAL EQUITY	380,185	399,704
TOTAL LIABILITIES AND EQUITY	1,106,559	831,356
Qualitytech, LP [Member]
Real Estate Assets
Land	48,577	30,601
Buildings and improvements	914,286	728,230
Less: Accumulated depreciation	(180,167)	(137,725)
Total real estate assets	782,696	621,106
Construction in progress	214,719	146,904
Real Estate Assets, net	997,415	768,010
Cash and cash equivalents	10,788	5,210
Rents and other receivables, net	15,579	14,434
Acquired intangibles, net	18,000	5,396
Deferred costs, net	37,058	19,150
Prepaid expenses	3,079	1,797
Other assets, net	24,640	17,359
TOTAL ASSETS	1,106,559	831,356
LIABILITIES
Mortgage notes payable	86,600	88,839
Unsecured credit facility	239,838	256,500
Senior notes	297,729
Capital lease obligations	13,062	2,538
Accounts payable and accrued liabilities	64,607	63,204
Dividends payable	10,705	8,965
Advance rents, security deposits and other liabilities	3,302	3,261
Deferred income	10,531	7,892
Derivative liability		453
TOTAL LIABILITIES	726,374	431,652
EQUITY
Partners' capital	380,185	399,704
TOTAL LIABILITIES AND EQUITY	$ 1,106,559	$ 831,356

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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The amount as of the balance sheet date by which cumulative distributions to shareholders (or partners) exceed retained earnings (or accumulated earnings).

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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The carrying amount of deferred costs.

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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