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Unconsolidated Affiliates, Noncontrolling Interests and Cost Method Investments (Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  |  |  | 12 Months Ended |  | 12 Months Ended | 3 Months Ended |  | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  |  |  |  |  | 1 Months Ended |  | 1 Months Ended | 3 Months Ended |  | 1 Months Ended | 19 Months Ended |  |  | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 10, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Apr. 20, 2012 Outlet Shoppes at El Paso [Member] | Dec. 31, 2010 Parkway Place [Member] | Dec. 26, 2012 Imperial Valley Mall [Member] | Dec. 31, 2012 West County Center [Member] | Dec. 31, 2011 Pearland Town Center [Member] TIAA-CREF [Member] | Dec. 31, 2012 Gulf Coast Town Center [Member] | Dec. 31, 2012 York Town Center [Member] | Jan. 30, 2012 The Pavillion at Port Orange Phase I [Member] | Dec. 31, 2012 The Pavillion at Port Orange Phase I [Member] | Mar. 30, 2012 The Pavillion at Port Orange Phase I [Member] | Mar. 29, 2012 The Pavillion at Port Orange Phase I [Member] | Apr. 20, 2012 Outlet Shoppes at El Paso [Member] | Dec. 31, 2011 CBL TC LLC [Member] | Dec. 31, 2012 CBL TC LLC [Member] | Dec. 31, 2011 CBL TC LLC [Member] TIAA-CREF [Member] | Dec. 31, 2011 CBL TC LLC [Member] CoolSprings Galleria, Oak Park Mall and West County Center Interest [Member] | Dec. 31, 2012 CBL TC LLC [Member] CoolSprings Galleria, Oak Park Mall and West County Center Interest [Member] | Dec. 31, 2011 CBL TC LLC [Member] Pearland Town Center [Member] | Dec. 31, 2012 CBL TC LLC [Member] Pearland Town Center [Member] | Dec. 31, 2011 CBL TC LLC [Member] Pearland Town Center [Member] TIAA-CREF [Member] | Dec. 31, 2012 CBL TC LLC [Member] Pearland Town Center [Member] TIAA-CREF [Member] | Dec. 31, 2011 CBL TC LLC [Member] Pearland town Center and Oak Park Mall Interest [Member] | Oct. 31, 2011 CBL TC LLC [Member] Pearland town Center and Oak Park Mall Interest [Member] | Oct. 31, 2010 Parkway Place, L.P. [Member] Parkway Place [Member] | Dec. 31, 2012 Port Orange I LLC [Member] The Pavillion at Port Orange Phase I [Member] | Dec. 31, 2012 JG Gulf Coast Town Center LLC [Member] Gulf Coast Town Center [Member] | Dec. 31, 2012 El Paso Outlet Outparcels, LLC [Member] The Outlet Shoppes at El Paso vacant land [Member] | Apr. 20, 2012 El Paso Outlet Outparcels, LLC [Member] The Outlet Shoppes at El Paso vacant land [Member] | Apr. 20, 2012 El Paso Outlet Outparcels, LLC [Member] The Outlet Shoppes at El Paso vacant land [Member] Horizon Group Properties [Member] | Jun. 30, 2011 Mall Shopping Center Company [Member] | Jun. 30, 2010 Mall Shopping Center Company [Member] Plaza del Sol [Member] | Jun. 30, 2011 Mall Shopping Center Company [Member] Plaza del Sol [Member] | Dec. 31, 2009 CBL Macapa [Member] | Sep. 30, 2008 CBL Macapa [Member] Notes Investors | Dec. 31, 2012 CBL Macapa [Member] Investor [Member] | Mar. 31, 2011 CBL Macapa [Member] Investor [Member] | Dec. 31, 2009 CBL Macapa [Member] Unconsolidated Affliliate - Plaza Macae [Member] | Apr. 30, 2010 Note due April 2012 [Member] CBL Macapa [Member] Investor [Member] | Dec. 31, 2011 Modified Note due June 2011 [Member] CBL Macapa [Member] Investor [Member] | Dec. 31, 2012 Modified Note due June 2011 [Member] CBL Macapa [Member] Investor [Member] | Jun. 08, 2010 Modified Note due June 2011 [Member] CBL Macapa [Member] Investor [Member] | Dec. 31, 2012 JG Gulf Coast Town Center LLC [Member]
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 69,823 |  |  |  | $ 22,000 |  |  |  | $ 190,000 |  | $ 7,000 | $ 38,000 |  |  | $ 64,950 | $ 98,883 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,332 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 90000.00% |  |  |  |  |  |  | 2.50% |  |  | 3.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantors Percentage Obligation for Construction loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Business Acquisition, Preexisting Relationship, Gain (Loss) Recognized |  |  |  |  |  |  |  |  | 45,072 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 888 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Expenditures Incurred but Not yet Paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,439 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates | 259,810 | 304,710 |  |  |  |  | 3,864 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 116,397 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests | 7,120 | 2,079 | 5,234 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,264 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquire controlling interest in shopping center property | 14,204 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 222,242 |  |  |  |  |  |  | 207,410 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due from Affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,001 |  |  |  | 657 | 701 |
Note Receivable, Periodic Payments Due |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  | 3.40% |  |  | 4.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  |  |  |  |  |  | 189,687 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirement of term loan | 77,500 |  |  |  |  |  |  |  |  | 142,235 |  |  | 39,379 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Acquisition, Debt Assumed | 220,634 | 0 |  |  |  |  |  | 21,753 |  |  |  |  |  |  |  |  |  |  |  |  | 359,334 |  |  |  |  |  |  | 174,320 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Aggregate Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 381,730 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Reimbursement of Preformation Expenditures from Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,526 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Lines of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 204,210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  | 60.30% |  | 50.00% | 50.00% |  | 88.00% |  | 12.00% |  |  |  | 50.00% | 50.00% | 50.00% |  | 50.00% | 50.60% |  |  |  | 60.00% |  |  |  |  |  |  |  |
Equity Method Investment, Divestiture of Interest in Joint Venture, Investors, Number |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,244 |  |  |  | 0 |  |  |  |  |  |  |
Equity Method Investment Gain (Loss), Net of Basis Over Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75 |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Underlying Equity in Net Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 554 |  |  |  |  |  |  |  |  |  |
Agreement to Sell Partnership Interest, Gross Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,263 |  |  |  |  |  |  |  |  |
Agreement to Sell Partnership Interest, Net Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,201 |  |  |  |  |
Proceeds from Divestiture of Interest in Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |  |  |  |  |  |
Equity Method Investment, Divestiture of Interest in Joint Venture, Notes Receivable, Number |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Percentage of Shareholders Consent Required |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Return Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains on Sales of Investment Real Estate | 2,286 | 59,396 | 2,887 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 54,327 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Unreturned Contributions to CoVenturer before Company Receives Distributions, Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Unreturned Contributions to Company Before Distributions Begin ProRata, Maximum |  |  |  |  |  |  |  |  |  |  | 44,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 30.00% |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition, purchase price |  |  |  |  |  |  | 31,592 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,864 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  | 36,518 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 38,775 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,831 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Liabilities Assumed |  |  |  |  |  |  | 66,924 |  | 21,018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,944 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Collection of Notes Receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300 | 579 |  |  |
Note Receivable, Due from Affiliate, Balloon Payment Due |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 161 |

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