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Mortgage and Other Indebtedness, Net - Repaid Loans (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Jan. 31, 2018	Sep. 30, 2018
Debt Instrument [Line Items]
Principal Balance Repaid		$ 54,573
Malls | Kirkwood Mall
Debt Instrument [Line Items]
Interest rate (as a percent)	5.75%
Principal Balance Repaid	$ 37,295
Malls | The Outlet Shoppes at El Paso - Phase II
Debt Instrument [Line Items]
Interest rate (as a percent)	4.73%
Principal Balance Repaid	$ 6,525
Other | Statesboro Crossing
Debt Instrument [Line Items]
Interest rate (as a percent)	4.24%
Principal Balance Repaid	$ 10,753

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ References

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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