Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

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- Definition

This element represents the amount of recognized equity-based compensation related to stock options during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized).

+ References

No definition available.

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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.

+ References

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

+ References

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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.

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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.

+ References

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-Name Staff Accounting Bulletin (SAB)

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Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability 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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Impairment losses measured as the amount by which the carrying amount of the business or real estate partnerships exceeds the fair value of the business or partnership.

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Summary of Significant Accounting Policies (Additional Information 1) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Feb. 29, 2012	Feb. 08, 2012
Summary Of Significant Accounting Policies [Line Items]
Impairment losses	$ 0	$ 0
Amortization of the deferred financing costs	791,000us-gaap_AmortizationOfFinancingCosts	582,000us-gaap_AmortizationOfFinancingCosts
Amortization of deferred leasing costs totaled	2,700,000	2,100,000
Deferred income	11,401,000us-gaap_DeferredRevenue		10,531,000us-gaap_DeferredRevenue
Amortization of deferred revenue	1,200,000	1,200,000
Company recorded equity-based compensation expense net of repurchased awards and forfeits	1,300,000	900,000
Amount of the straight-line rent receivable on the balance sheets included in rents and other receivables	4,400,000us-gaap_DeferredRentReceivablesNet		4,000,000us-gaap_DeferredRentReceivablesNet
Unsecured Revolving Credit Facility [Member]
Summary Of Significant Accounting Policies [Line Items]
Amortization of the deferred financing costs	800,000	600,000
Interest Rate Swap [Member] \| Cash Flow Hedging [Member]
Summary Of Significant Accounting Policies [Line Items]
Notional amount of derivative				$ 150,000,000	$ 150,000,000