Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
OPERATING ACTIVITIES
Net income	$ 8,118us-gaap_ProfitLoss	$ 2,506us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of buildings and tenant improvements	4,200us-gaap_Depreciation	3,478us-gaap_Depreciation
Amortization of leasing costs and in-place lease intangibles	708	491
Accrued straight-line rental revenue	(725)us-gaap_StraightLineRent	(469)us-gaap_StraightLineRent
Amortization of leasing incentives and above or below-market rents	177	160
Accrued straight-line ground rent expense	79us-gaap_AmortizationOfLeasedAsset	79us-gaap_AmortizationOfLeasedAsset
Bad debt expense	34us-gaap_ProvisionForDoubtfulAccounts	11us-gaap_ProvisionForDoubtfulAccounts
Noncash stock compensation	379us-gaap_ShareBasedCompensation	329us-gaap_ShareBasedCompensation
Noncash interest expense	318us-gaap_PaidInKindInterest	133us-gaap_PaidInKindInterest
Loss on extinguishment of debt	227
Gain on real estate dispositions	(6,197)
Change in the fair value of derivatives	147us-gaap_UnrealizedGainLossOnDerivatives	(93)us-gaap_UnrealizedGainLossOnDerivatives
Changes in operating assets and liabilities, net of acquisitions:
Property assets	(1,101)	(1,311)
Property liabilities	381	11
Construction assets	(8,551)	(109)
Construction liabilities	1,402	(2,003)
Net cash (used for) provided by operating activities	(404)	3,213
INVESTING ACTIVITIES
Development of real estate investments	(20,951)	(20,320)
Tenant and building improvements	(1,203)us-gaap_PaymentsForTenantImprovements	(2,495)us-gaap_PaymentsForTenantImprovements
Acquisitions of real estate investments, net of cash acquired		(2,895)
Dispositions of real estate investments	15,224
Decrease (increase) in restricted cash	762	(35)
Leasing costs	(1,337)us-gaap_PaymentsForLeasingCosts	(153)us-gaap_PaymentsForLeasingCosts
Leasing incentives	(825)
Net cash used for investing activities	(8,330)	(25,898)
FINANCING ACTIVITIES
Debt issuances, credit facility and construction loan borrowings	125,467us-gaap_ProceedsFromIssuanceOfDebt	23,269us-gaap_ProceedsFromIssuanceOfDebt
Debt and credit facility payments, including principal amortization	(103,637)us-gaap_RepaymentsOfDebt	(714)us-gaap_RepaymentsOfDebt
Debt issuance costs	(1,132)us-gaap_PaymentsOfDebtIssuanceCosts	(4)us-gaap_PaymentsOfDebtIssuanceCosts
Offering costs		(149)us-gaap_PaymentsOfStockIssuanceCosts
Dividends and distributions	(6,368)us-gaap_PaymentsOfDividends	(5,155)us-gaap_PaymentsOfDividends
Net cash provided by financing activities	14,330	17,247
Net increase (decrease) in cash and cash equivalents	5,596	(5,438)
Cash and cash equivalents, beginning of period	25,883	18,882
Cash and cash equivalents, end of period	$ 31,479	$ 13,444

Amortization of lease incentives and above and below market rents.

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Increase decrease in deferred lease incentives.

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This element represents the amortization of deferred leasing fees incurred by the lessor and amortized over the term of the lease. Such fees represent (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction.

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The expense charged against earnings for the periodic recognition of capitalized leases. This element may apply to energy companies that lease mineral producing properties and to other enterprises that capitalize property, plant, or equipment obtained through capital leases.

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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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This element represents the amount of gain (loss) on sale of properties during the reporting period gross of the applicable income taxes realized.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The increase (decrease) during the reporting period of obligations, not classified as trade payables, incurred and payable for the acquisition of merchandise, materials, supplies, and services pertaining to construction projects.

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The increase (decrease) during the reporting period in receivables arising from the contracting of goods and services, net for uncollectible accounts.

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The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

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The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of cash outflow for costs that are essential to originate the lease and would not otherwise have been incurred without the lease agreement. Amount includes, but is not limited to, cash outflows to evaluate the lessee's credit condition, guarantees, and collateral and cash outflows for costs incurred in negotiating, processing, and executing the lease agreement.

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Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy.

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No definition available.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Payments to develop real estate assets is the process of adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements; and are generally classified as cash flow from investing activities.

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Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.5)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 5

-Article 5

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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No definition available.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Difference between actual rental income due and rental income recognized on a straight-line basis.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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