UNCONSOLIDATED AFFILIATES AND COST METHOD INVESTMENT (Repayments) (Details) - USD ($) $ in Thousands	1 Months Ended					12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jul. 31, 2016	Jun. 30, 2016	Apr. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Mortgage loan						$ 0	$ 0	$ 360
The Shops at Friendly Center
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)	5.90%					5.90%
Principal Balance Repaid	$ 37,640
Mortgage loan	$ 60,000
Triangle Town Place
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)	4.00%					4.00%
Principal Balance Repaid	$ 29,342
Governor’s Square Company
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)		8.23%
Principal Balance Repaid		$ 14,089
Joint venture, ownership percentage	47.50%					47.50%
High Pointe Commons - Phase I
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)		5.74%
Principal Balance Repaid		$ 12,401
High Pointe Commons - PetCo
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)		3.20%
Principal Balance Repaid		$ 19
Joint venture, ownership percentage		50.00%
High Pointe Commons - Phase II
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)		6.10%
Principal Balance Repaid		$ 4,968
Kentucky Oaks Mall Company
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)			5.27%
Principal Balance Repaid			$ 19,912
Renaissance Center - Phase I
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)					5.61%
Principal Balance Repaid					$ 31,484
Triangle Town Center and Triangle Town Commons
Schedule of Equity Method Investments [Line Items]
Mortgage loan						$ 141,126
Fremaux Town Center JV, LLC - Phase I
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)				2.44%
Principal Balance Repaid				$ 40,530
Fremaux Town Center JV, LLC - Phase II
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)				2.44%
Principal Balance Repaid				$ 30,595
Ambassador Town Center JV, LLC
Schedule of Equity Method Investments [Line Items]
Interest Rate at Repayment Date (percent)				2.24%
Principal Balance Repaid				$ 41,885
Mortgage loan				47,660
Fremaux Town Center JV, LLC
Schedule of Equity Method Investments [Line Items]
Mortgage loan				$ 73,000
Parent | Governor’s Square Company
Schedule of Equity Method Investments [Line Items]
Principal Balance Repaid		$ 6,692
Parent | Kentucky Oaks Mall Company
Schedule of Equity Method Investments [Line Items]
Principal Balance Repaid			$ 9,956
Parent | Triangle Town Center and Triangle Town Commons
Schedule of Equity Method Investments [Line Items]
Mortgage loan						$ 14,113