Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Deferred Charges [Table Text Block]

	December 31,
(in thousands)	2015		2014
Deferred leasing costs, net	$	66,367	60,889
Deferred loan costs, net	13,252		10,613
Total deferred costs, net	$	79,619	71,502

Provisions for Doubtful Accounts [Table Text Block]

The Company recorded the following provisions for doubtful accounts:

	Year ended December 31,
(in thousands)	2015		2014	2013
Gross provision for doubtful accounts	$	2,364	2,192	1,841
Amount included in discontinued operations	—		—	53

Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]

Revenues and Accounts Receivable

Leasing Revenue and Receivables

The Company leases space to tenants under agreements with varying terms. Leases are accounted for as operating leases with minimum rent recognized on a straight-line basis over the term of the lease regardless of when payments are due. The Company estimates the collectibility of the accounts receivable related to base rents, straight-line rents, expense reimbursements, and other revenue taking into consideration the Company's historical write-off experience, tenant credit-worthiness, current economic trends, and remaining lease terms.

The Company recorded the following provisions for doubtful accounts:

	Year ended December 31,
(in thousands)	2015		2014	2013
Gross provision for doubtful accounts	$	2,364	2,192	1,841
Amount included in discontinued operations	—		—	53

The following table represents the components of accounts receivable, net of allowance for doubtful accounts, in the accompanying Consolidated Balance Sheets:

	December 31,
(in thousands)	2015			2014
Billed tenant receivables	$	14,521		10,583
Accrued CAM, insurance and tax reimbursements	12,358			15,369
Other receivables	10,708			9,570
Less: allowance for doubtful accounts	(5,295		)	(4,523	)
Total accounts receivable, net	$	32,292		30,999

More than half of all of the lease agreements with anchor tenants contain provisions that provide for additional rents based on tenants' sales volume ("percentage rent"). Percentage rents are recognized when the tenants achieve the specified targets as defined in their lease agreements. Substantially all lease agreements contain provisions for reimbursement of the tenants' share of real estate taxes, insurance and common area maintenance (“CAM”) costs. Recovery of real estate taxes, insurance, and CAM costs are recognized as the respective costs are incurred in accordance with the lease agreements.

As part of the leasing process, the Company may provide the lessee with an allowance for the construction of leasehold improvements. These leasehold improvements are capitalized and recorded as tenant improvements, and depreciated over the shorter of the useful life of the improvements or the remaining lease term. If the allowance represents a payment for a purpose other than funding leasehold improvements, or in the event the Company is not considered the owner of the improvements, the allowance is considered to be a lease incentive and is recognized over the lease term as a reduction of minimum rent. Factors considered during this evaluation include, among other things, who holds legal title to the improvements as well as other controlling rights provided by the lease agreement and provisions for substantiation of such costs (e.g. unilateral control of the tenant space during the build-out process). Determination of the appropriate accounting for the payment of a tenant allowance is made on a lease-by-lease basis, considering the facts and circumstances of the individual tenant lease. When the Company is the owner of the leasehold improvements, recognition of lease revenue commences when the lessee is given possession of the leased space upon completion of tenant improvements. However, when the leasehold improvements are owned by the tenant, the lease inception date is the date the tenant obtains possession of the leased space for purposes of constructing its leasehold improvements.

Schedule of Accounts, Notes, Loans and Financing Receivable

	December 31,
(in thousands)	2015			2014
Billed tenant receivables	$	14,521		10,583
Accrued CAM, insurance and tax reimbursements	12,358			15,369
Other receivables	10,708			9,570
Less: allowance for doubtful accounts	(5,295		)	(4,523	)
Total accounts receivable, net	$	32,292		30,999