Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Leasing commissions, net of accumulated amortization of $20,659 and $19,606 respectively	$ 19,484us-gaap_DeferredCostsLeasingNet	$ 18,071us-gaap_DeferredCostsLeasingNet
Acquired above market leases, net	5,103	7,399
Acquired in-place leases, net	18,631	24,534
Lease incentives, net of accumulated amortization of $2,960 and $2,590, respectively	740us-gaap_IncentiveToLessee	1,110us-gaap_IncentiveToLessee
Other intangible assets, net of accumulated amortization of $1,590 and $1,554, respectively	453	655
Debt issuance costs, net of accumulated amortization of $4,147 and $2,985, respectively	5,361us-gaap_DeferredFinanceCostsNet	2,632us-gaap_DeferredFinanceCostsNet
Prepaid expenses, deposits and other	3,629	3,269
Total other assets	$ 53,401us-gaap_PrepaidExpenseAndOtherAssets	$ 57,670us-gaap_PrepaidExpenseAndOtherAssets

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This element represents costs incurred by the lessor that are (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. This element is net of accumulated amortization.

+ References

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- Definition

For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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- Definition

This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.

+ References

No definition available.

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- Definition

This element represents the identifiable intangible asset established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease at the acquisition date.

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- Definition

This item represents the deferred charge for an incentive or inducement granted by a lessor to a lessee, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental revenue over the lease term.

+ References

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-Glossary Lease Incentive

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of intangible assets not otherwise specified in the taxonomy having a reasonably expected period of economic benefit.

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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