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Mortgage Loans Payable And Unsecured Credit Facilities (Narrative) (Details) - USD ($)		3 Months Ended
	May. 03, 2016	Mar. 31, 2016	May. 02, 2016	Apr. 26, 2016
Line of Credit Facility [Line Items]
Approximate amount of accumulated other comprehensive loss to be reclassified into earnings		$ 3,400,000
Interest Rate Swap [Member]
Line of Credit Facility [Line Items]
Fair value of interest rate swaps included in accounts payable and accrued liabilities		$ 9,000,000
Unsecured Credit Facility [Member]
Line of Credit Facility [Line Items]
Loans payable balance				$ 0
Loan maturity date		Apr. 26, 2023
Credit facility borrowing capacity		$ 310,000,000
Unsecured Credit Facility [Member] | Subsequent Event [Member]
Line of Credit Facility [Line Items]
Term loan amount				$ 100,000,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility borrowing capacity		260,000,000
Aggregate borrowing capacity including increase under accordion feature		750,000,000
Remaining borrowing capacity		181,000,000
Mortgage Loans Payable [Member] | Franklin Village Plaza [Member] | Subsequent Event [Member]
Line of Credit Facility [Line Items]
Loans payable balance	$ 50,000,000		$ 40,300,000
Mortgage interest rate	3.90%
Loan maturity date	Jun. 01, 2026
Term Loan [Member] | Unsecured Credit Facility [Member]
Line of Credit Facility [Line Items]
Term loan amount		$ 50,000,000
Term Loan Maturing April 28, 2023 [Member]
Line of Credit Facility [Line Items]
Basis spread on borrowings variable rate		1.65%
Weighted-average interest rate		3.20%
Term Loan Maturing April 28, 2023 [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on borrowings variable rate		1.65%
Term Loan Maturing April 28, 2023 [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on borrowings variable rate		2.25%

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Aggregate Borrowing Capacity Including Additional Borrowing Increase Under Accordion Feature

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Approximate Amount Of Accumulated Other Comprehensive Loss To Be Reclassified Into Earnings

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Weighted average interest rate of debt outstanding.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The carrying amount of the outstanding balance due under the mortgage loan.

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