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UNCONSOLIDATED AFFILIATES AND COST METHOD INVESTMENTS (Joint Venture Financings) (Details) $ in Thousands	1 Months Ended											3 Months Ended		7 Months Ended	9 Months Ended	12 Months Ended
	Feb. 29, 2016	Dec. 31, 2015 USD ($)	Oct. 31, 2015 USD ($)	Jul. 31, 2015 USD ($)	Mar. 31, 2015	Dec. 31, 2014 USD ($) extension_option	Nov. 30, 2014 USD ($) extension_option	Aug. 31, 2014 USD ($) extension_option	Jul. 31, 2014 USD ($)	Feb. 28, 2014 USD ($) extension_option	Jan. 31, 2014 USD ($)	Jun. 30, 2015	Dec. 31, 2014 USD ($) extension_option	Jul. 31, 2014	Sep. 30, 2014	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) extension_option	Dec. 31, 2013 USD ($)	Sep. 30, 2015 USD ($)
Debt Instrument [Line Items]
Amount Financed or Extended																$ 0	$ 360	$ 0
Joint venture, ownership percentage						35.00%							35.00%				35.00%
Mortgage and other indebtedness, variable-rate debt		$ 1,241,379				$ 696,396							$ 696,396			1,241,379	$ 696,396
Non Recourse Loans On Operating Properties
Debt Instrument [Line Items]
Mortgage and other indebtedness, variable-rate debt		$ 16,840				$ 17,121							$ 17,121			$ 16,840	$ 17,121
Parent Company
Debt Instrument [Line Items]
Joint venture, ownership percentage		50.00%				65.00%							65.00%			50.00%	65.00%
Parent Company | CBL/T-C, LLC
Debt Instrument [Line Items]
Joint venture, ownership percentage		50.00%	50.00%													50.00%
Mall of South Carolina LP and Mall of South Carolina Outparcel LP | Non Recourse Loans On Operating Properties
Debt Instrument [Line Items]
Repayments of long-term debt									$ 75,238
Mall of South Carolina LP and Mall of South Carolina Outparcel LP | Subordinated Debt
Debt Instrument [Line Items]
Repayments of long-term debt									18,000
Mall of South Carolina LP and Mall of South Carolina Outparcel LP | Subordinated Debt | Joint Venture Partners
Debt Instrument [Line Items]
Repayments of long-term debt									9,000
Hammock Landing - Phase I | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)		2.00%														2.00%
Hammock Landing - Phase II
Debt Instrument [Line Items]
Amount Financed or Extended		$ 16,757	$ 10,757				$ 16,757
Extension option, term (years)							1 year
Number of one-year extension options available | extension_option							2
Increase in construction loan							$ 6,000
Hammock Landing - Phase II | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)		2.00%					2.25%									2.00%
The Pavilion at Port Orange
Debt Instrument [Line Items]
Amount Financed or Extended		$ 58,820
The Pavilion at Port Orange | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)		2.00%														2.00%
Oak Park Mall
Debt Instrument [Line Items]
Amount Financed or Extended			$ 276,000
Oak Park Mall | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)			3.97%
Gulf Coast Town Center - Phase III
Debt Instrument [Line Items]
Amount Financed or Extended				$ 5,352
Gulf Coast Town Center - Phase III | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)				2.00%
Ambassador Town Center JV, LLC
Debt Instrument [Line Items]
Amount Financed or Extended						$ 48,200
Joint venture, ownership percentage						35.00%							35.00%				35.00%
Debt guaranteed by Company (percent)						100.00%
Ambassador Town Center JV, LLC | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)						1.80%							1.80%				1.80%
Ambassador Town Center JV, LLC | Debt Instrument Rate Contingency | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)						1.60%							1.60%				1.60%
Ambassador Town Center - Infrastructure Improvements
Debt Instrument [Line Items]
Amount Financed or Extended						$ 11,700
Debt guaranteed by Company (percent)						100.00%
Ambassador Town Center - Infrastructure Improvements | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)						2.00%							2.00%				2.00%
Fremaux Town Center JV, LLC - Phase I
Debt Instrument [Line Items]
Amount Financed or Extended								$ 47,291		$ 47,291	$ 46,000
Extension option, term (years)										1 year
Debt guaranteed by Company (percent)					50.00%			50.00%		100.00%		15.00%		100.00%
Number of one-year extension options available | extension_option										2
Fremaux Town Center JV, LLC - Phase I | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)								2.00%		2.125%
Fremaux Town Center JV, LLC - Phase II
Debt Instrument [Line Items]
Amount Financed or Extended								$ 32,100
Debt guaranteed by Company (percent)													50.00%		100.00%
Fremaux Town Center JV, LLC - Phase II | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)								2.00%
Coastal Grand - MyrtleBeach
Debt Instrument [Line Items]
Amount Financed or Extended									$ 126,000
Coastal Grand - MyrtleBeach | LIBOR
Debt Instrument [Line Items]
Stated Interest Rate (percent)									4.09%					4.09%
Ambassador Town Center JV, LLC and Ambassador Infrastructure, LLC
Debt Instrument [Line Items]
Extension option, term (years)						1 year
Number of one-year extension options available | extension_option						2							2				2
Fremaux Town Center Phase I and II
Debt Instrument [Line Items]
Extension option, term (years)								1 year
Number of one-year extension options available | extension_option								2
Oak Park Mall
Debt Instrument [Line Items]
Stated Interest Rate (percent)																			5.85%
Oak Park Mall | Non Recourse Loans On Operating Properties
Debt Instrument [Line Items]
Mortgage and other indebtedness, variable-rate debt																			$ 275,700
Subsequent Event | Parent Company
Debt Instrument [Line Items]
Joint venture, ownership percentage	1000.00%
Subsequent Event | The Pavilion at Port Orange | Mortgages
Debt Instrument [Line Items]
Extension option, term (years)	1 year

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