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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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