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Mortgage and Other Indebtedness (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  | 1 Months Ended | 12 Months Ended |  |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  |  | 12 Months Ended |  |  |  | 12 Months Ended |  |  |  | 3 Months Ended |  | 3 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 Loans | Sep. 30, 2012 | Jun. 30, 2012 | Jan. 31, 2013 Repayment of Debt [Member] Loans | Dec. 31, 2012 Minimum [Member] Extension_Options | Dec. 31, 2012 Interest Rate Swap [Member] | Dec. 31, 2011 Interest Rate Swap [Member] | Dec. 31, 2012 Letter of Credit 2 [Member] | Dec. 31, 2012 Secured Line of Credit 3 [Member] | Dec. 31, 2012 Secured Line of Credit 3 [Member] Minimum [Member] | Dec. 31, 2012 Secured Line of Credit 3 [Member] Maximum [Member] | Dec. 31, 2012 Secured Line of Credit 1 [Member] | Dec. 31, 2012 Secured Line of Credit Two, Reduced Capacity [Member] | Dec. 31, 2012 Unsecured Line of Credit A [Member] | Dec. 31, 2012 Unsecured Line of Credit B [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] Minimum [Member] | Jan. 31, 2013 Unsecured lines of credit [Member] Minimum [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] Maximum [Member] | Jan. 31, 2013 Unsecured lines of credit [Member] Maximum [Member] | Dec. 31, 2012 Unsecured Term Loan 2 [Member] | Dec. 31, 2012 Fixed Rate Interest [Member] | Dec. 31, 2011 Fixed Rate Interest [Member] | Dec. 31, 2012 Variable Rate Interest Member [Member] | Dec. 31, 2011 Variable Rate Interest Member [Member] | Dec. 31, 2012 Non-recourse Loans on Operating Properties [Member] | Dec. 31, 2011 Non-recourse Loans on Operating Properties [Member] | Mar. 31, 2011 Non-recourse Loans on Operating Properties [Member] | Dec. 31, 2012 Non-recourse Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2011 Non-recourse Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2012 Non-recourse Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Non-recourse Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Recourse Term Loans on Operating Properties [Member] | Dec. 31, 2011 Recourse Term Loans on Operating Properties [Member] | Dec. 31, 2012 Recourse Term Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2011 Recourse Term Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2012 Recourse Term Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Recourse Term Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Financing method obligation [Member] | Dec. 31, 2011 Financing method obligation [Member] | Dec. 31, 2012 Construction Loans [Member] | Dec. 31, 2011 Construction Loans [Member] | Dec. 31, 2012 Construction Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Construction Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] | Dec. 31, 2011 Unsecured lines of credit [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Unsecured lines of credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Secured Lines of Credit [Member] Properties CreditLines | Dec. 31, 2011 Secured Lines of Credit [Member] | Dec. 31, 2012 Secured Lines of Credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Secured Lines of Credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] CreditLines | Dec. 31, 2011 Unsecured Term Loans [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Unsecured Term Loan 1 [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Unsecured Term Loan 1 [Member] Minimum [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Unsecured Term Loan 1 [Member] Maximum [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Unsecured Term Loan 2 [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Unsecured Term Loan 2 [Member] Minimum [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Unsecured Term Loan 2 [Member] Maximum [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Unsecured Term Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2011 Non Recourse Term Loans On Operating Properties [Member] Loans | Sep. 30, 2011 Non Recourse Term Loans On Operating Properties [Member] | Mar. 31, 2011 Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2012 Recourse and Nonrecourse Term Loans Member [Member] | Mar. 31, 2011 Recourse and Nonrecourse Term Loans Member [Member] | Dec. 31, 2011 Partial Recourse Loans On Operating Properties [Member] | Mar. 31, 2011 Partial Recourse Loans On Operating Properties [Member] | Dec. 31, 2012 Fixed Rate Operating Loans [Member] Y | Dec. 31, 2012 Fixed Rate Operating Loans [Member] Minimum [Member] | Dec. 31, 2012 Fixed Rate Operating Loans [Member] Maximum [Member] | Dec. 31, 2012 Variable Rate Debt [Member] Minimum [Member] Y | Dec. 31, 2012 Variable Rate Debt [Member] Maximum [Member] | Jun. 30, 2011 Park Plaza Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2012 Property mortgage closings during the first quarter [Member] | Dec. 31, 2012 Property mortgage closings during the first quarter [Member] | Jun. 30, 2012 Property mortgage closings during the second quarter [Member] | Jun. 30, 2012 Property mortgage closings during the second quarter [Member] Minimum [Member] | Jun. 30, 2012 Property mortgage closings during the second quarter [Member] Maximum [Member] | Feb. 28, 2013 Statesboro Crossing [Member] | Jun. 30, 2012 Statesboro Crossing [Member] | Mar. 31, 2012 Statesboro Crossing [Member] | Dec. 31, 2012 West County Center [Member] | Dec. 31, 2011 Cross Creek Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 Outlet Shoppes at Oklahoma City [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 Alamance Crossing [Member] Non Recourse Term Loans On Operating Properties [Member] | Sep. 30, 2011 Alamance Crossing [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 Asheville Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Sep. 30, 2011 Asheville Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 Fayette Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Jun. 30, 2011 Fayette Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Mar. 31, 2011 Fayette Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 Mid Rivers Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Jun. 30, 2011 Mid Rivers Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Mar. 31, 2011 Mid Rivers Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 Panama City Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Jun. 30, 2011 Parkdale Mall and Parkdale Crossing [Member] Non Recourse Term Loans On Operating Properties [Member] | Jun. 30, 2011 Eastgate Mall [Member] Non Recourse Term Loans On Operating Properties [Member] | Jun. 30, 2011 Wasau Center [Member] Non Recourse Term Loans On Operating Properties [Member] | Jun. 30, 2011 Hamilton Crossing [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 St. Clair Square [Member] Non Recourse Term Loans On Operating Properties [Member] | Sep. 30, 2011 St. Clair Square [Member] Non Recourse Term Loans On Operating Properties [Member] | Dec. 31, 2011 The Promenade at Dlberville [Member] Recourse Term Loans on Operating Properties [Member] | Mar. 31, 2011 The Promenade at Dlberville [Member] Recourse Term Loans on Operating Properties [Member] | Dec. 31, 2011 Hammock Landing Phase II [Member] Recourse Term Loans on Operating Properties [Member] | Mar. 31, 2011 Hammock Landing Phase II [Member] Recourse Term Loans on Operating Properties [Member] | Mar. 31, 2011 Stroud Mall [Member] Partial Recourse Loans On Operating Properties [Member] | Mar. 31, 2011 York Galleria [Member] Partial Recourse Loans On Operating Properties [Member] | Mar. 31, 2011 Gunbarrel Pointe [Member] Partial Recourse Loans On Operating Properties [Member] | Mar. 31, 2011 Coolsprings Crossing [Member] Partial Recourse Loans On Operating Properties [Member] | Dec. 31, 2012 CBL Center [Member] | Mar. 31, 2012 Northwoods Mall [Member] | Dec. 31, 2012 CBL Center II [Member] | Dec. 31, 2012 Southpark Mall [Member] | Dec. 31, 2012 Monroeville Mall [Member] | Dec. 31, 2012 Regional Mall [Member] | Dec. 31, 2012 Regional Mall [Member] | Dec. 31, 2012 Columbia Place [Member] | Dec. 31, 2012 Outlet Shoppes at Atlanta [Member] | Dec. 31, 2012 The Forum at Grand View [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible Assets Disclosure [Text Block] |  |  | December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other indebtedness, fixed rate | $ 3,794,509 |  | $ 3,733,355 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,776,245 | [1] | $ 3,637,979 | [1] |  |  |  |  |  |  |  |  |  | $ 0 | [1] | $ 77,112 | [1] |  |  |  |  |  |  |  |  | $ 18,264 | [2] | $ 18,264 | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 27,265 |  |
Mortgage and other indebtedness, variable-rate debt | 951,174 |  | 756,000 |  |  |  |  |  |  |  |  | 10,625 | [3] |  |  |  |  | 300,297 | [3] | 175,329 | 475,626 |  |  |  |  |  |  |  |  |  |  |  |  |  | 123,875 |  | 168,750 |  |  |  |  |  |  |  |  |  |  | 97,682 |  | 124,439 |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,366 | 25,921 |  |  |  |  | 475,626 | [4] | 0 | [4] |  |  |  |  | 10,625 | 27,300 |  |  |  |  | 228,000 | 409,590 | 127,209 |  |  | 228,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other indebtedness | 4,745,683 |  | 4,489,355 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Interest Rate | 4.79% | [5] | 4.99% | [5] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.43% | [5] | 5.54% | [5] | 2.20% | [5] | 2.18% | [5] |  |  | 5.64% | [1],[5] |  | 5.43% | [1],[5] | 5.55% | [1],[5] | 3.36% | [5] | 3.03% | [5] |  |  |  |  | 0.00% | [1],[5] | 5.89% | [1],[5] | 1.78% | [5] | 2.29% | [5] |  |  |  |  |  |  | 2.96% | [5] | 3.25% | [5] |  |  |  |  | 2.07% | [4],[5] | 0.00% | [4],[5] |  |  | 2.46% | [5] | 3.03% | [5] |  |  |  |  |  |  |  |  | 1.82% | [5] | 1.67% | [5] |  |  |  |  |  | 4.57% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments held |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount of interest rate swaps held |  |  |  |  |  |  |  |  | 113,885 | 117,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured non-recourse and recourse term loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,653,227 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Modification of Credit Facilities, Fees Paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,259 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Expiration Date |  |  |  |  |  |  |  |  |  |  |  | Jun. 15, 2015 |  |  |  |  |  | Nov. 13, 2015 |  | Nov. 13, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Period of Extension Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Expiration Date After Extension Options |  |  |  |  |  |  |  |  |  |  |  | Jun. 15, 2016 |  |  |  |  |  | Nov. 13, 2016 |  | Nov. 13, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit, Option Exercise, Fee Charged, Percent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of secured lines of credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 90000.00% |  |  |  |  |  |  |  |  | 17500.00% | 27500.00% |  |  |  |  |  |  | 15500.00% | 10000.00% | 21000.00% | 17500.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.95% | 1.40% |  | 1.50% | 1.80% |  |  |  |  |  |  |  | 2.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  | 0.00% |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  | 27500.00% |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.15% |  | 0.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, unused capacity, fee percentage |  |  |  |  |  |  |  | 0.15% |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% |  | 0.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.07% |  |  |  |  | 1.82% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.46% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.946% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured credit facility, borrowing capacity |  |  |  |  |  |  |  |  |  |  |  | 105,000 |  |  |  | 525,000 | 520,000 | 600,000 |  | 600,000 | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount outstanding on letter of credit |  |  |  |  |  |  |  |  |  |  | 1,475 |  |  |  |  |  |  | 601 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional secured and unsecured lines of credit with commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, capacity available for specific purpose |  |  |  |  |  |  |  |  |  |  | 14,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirement of term loan | 77,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 381,568 |  |  |  |  | 13,482 |  |  | 142,235 | 56,823 | 39,274 | 51,847 |  | 61,346 |  | 84,733 |  |  | 74,748 |  |  | 36,317 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,078 |  | 12,818 | 30,763 | 106,895 | 44,480 | 178 |  |  | 2,023
Number of properties collateralizing loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of assets pledged as collateral |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130,786 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantors Percentage Obligation for Construction loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |
Debt Instrument Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,568 | 20,911 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage loans closed |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 14 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest, percentage rate |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.54% | 8.50% |  |  |  |  |  |  | 4.75% | 5.099% |  |  |  |  | 4.54% | 5.73% |  | 5.83% |  | 5.80% |  | 5.42% |  |  | 5.88% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.075% |  |  |  |  |  |  |  |
Unamortized premium | 12,830 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,830 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average maturity (Years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.90 |  |  | 2.87 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% |
Debt Instrument, Face Amount |  |  | 69,823 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 268,905 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 128,800 | 277,000 |  | 120,165 |  | 7,540 |  |  |  |  |  | 99,400 |  |  | 342,190 |  |  |  |  |  | 190,000 | 140,000 | 60,000 |  | 50,800 |  | 78,000 |  |  | 185,000 |  |  | 92,000 |  | 95,000 | 44,100 | 19,800 | 10,605 |  |  |  | 58,000 |  | 3,300 | 36,365 | 58,100 | 12,100 | 13,600 |  | 73,000 |  |  |  |  |  |  |  |
Mortgage Term in Years | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of operating property loans |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest, percentage rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.21% | 3.36% |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-recourse debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 125,000 | $ 69,375 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of one-year extension options available |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, percentage of reference rate added to basis points |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | The Company had four interest rate swaps on notional amounts totaling $113,885 as of December 31, 2012 and $117,700 as of December 31, 2011 related to its variable-rate loans on operating Properties to effectively fix the interest rates on the respective loans. Therefore, these amounts are reflected in fixed-rate debt at December 31, 2012 and 2011.
[2] | This amount represents the noncontrolling partner's equity contribution related to Pearland Town Center that is accounted for as a financing due to certain terms of the CBL/T-C joint venture agreement. See Note 5 for further information.
[3] | There was an additional $601 outstanding on this facility as of December 31, 2012 for letters of credit. Up to $50,000 of the capacity on this facility can be used for letters of credit.
[4] | The Company converted two of its credit facilities from secured facilities to unsecured facilities in November 2012.
[5] | Weighted-average interest rate includes the effect of debt premiums (discounts), but excludes amortization of deferred financing costs.

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- Definition The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=7523297&loc=SL6224234-111729 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph B6 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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