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Mortgage and Other Indebtedness (Details) (USD $) | 1 Months Ended | 3 Months Ended |  |  |  |  |  | 3 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended |  | 6 Months Ended |  |  | 12 Months Ended | 1 Months Ended |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended |  | 1 Months Ended |  | 3 Months Ended |  | 1 Months Ended |  | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended |  | 1 Months Ended | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |  |  |  | 1 Months Ended |  | 1 Months Ended | 12 Months Ended | 1 Months Ended |  | 1 Months Ended |  | 1 Months Ended |  | 1 Months Ended |  | 1 Months Ended |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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Jan. 31, 2013 Loans | Jun. 30, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2012 | Dec. 31, 2013 Minimum [Member] Extension_Options | Dec. 31, 2013 Interest Rate Swap [Member] derivative_instruments Loans | Dec. 31, 2012 Interest Rate Swap [Member] | Sep. 30, 2011 LIBOR [Member] | Dec. 31, 2013 Secured Line of Credit 3 [Member] | Feb. 22, 2013 Unsecured Line of Credit 4 FTB [Member] | Dec. 31, 2013 Unsecured Line of Credit, Facility A [Member] | Dec. 31, 2013 Unsecured Line of Credit, Facility A [Member] Wells Fargo Bank [Member] | Dec. 31, 2013 Unsecured Line of Credit, First Tennessee [Member] | Dec. 31, 2013 Unsecured Line of Credit, Facility B [Member] | Dec. 31, 2013 Unsecured Line of Credit, Facility B [Member] Wells Fargo Bank [Member] | Dec. 31, 2013 Unsecured Line of Credit, Facilities A and B [Member] | Dec. 31, 2013 Unsecured lines of credit [Member] CreditLines | Dec. 31, 2013 Unsecured lines of credit [Member] Minimum [Member] | Dec. 31, 2013 Unsecured lines of credit [Member] Maximum [Member] | Dec. 31, 2013 Unsecured lines of credit [Member] LIBOR [Member] | May 14, 2013 Unsecured lines of credit [Member] LIBOR [Member] Minimum [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] LIBOR [Member] Minimum [Member] | May 14, 2013 Unsecured lines of credit [Member] LIBOR [Member] Maximum [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] LIBOR [Member] Maximum [Member] | Dec. 31, 2013 Unsecured lines of credit [Member] Wells Fargo Bank [Member] | Dec. 31, 2013 Property Loan with Extension [Member] Loans | Sep. 30, 2013 Unsecured Term Loan 1 [Member] | Dec. 31, 2013 Unsecured Term Loan 1 [Member] | Dec. 31, 2013 Unsecured Term Loan 1 [Member] LIBOR [Member] | Dec. 31, 2013 Unsecured Term Loan 2 [Member] | Mar. 31, 2013 Unsecured Term Loan 2 [Member] | Dec. 31, 2013 Unsecured Term Loan 2 [Member] LIBOR [Member] | Jan. 31, 2013 Operating Property Loan [Member] Loans | Dec. 31, 2013 Operating Property Loan [Member] | Dec. 31, 2013 Operating Property Loan [Member] Intends to retire or refinance [Member] | Dec. 31, 2013 Fixed Rate Interest [Member] | Dec. 31, 2012 Fixed Rate Interest [Member] | Dec. 31, 2013 Variable Rate Interest Member [Member] | Dec. 31, 2012 Variable Rate Interest Member [Member] | Dec. 31, 2013 Non-recourse Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2012 Non-recourse Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2013 Non-recourse Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Non-recourse Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Nov. 30, 2013 Senior Unsecured Notes [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] Minimum [Member] Forecast [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] Maximum [Member] Forecast [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] Treasury Rate [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] Fixed Rate Interest [Member] | Dec. 31, 2012 Senior Unsecured Notes [Member] Fixed Rate Interest [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] Fixed Rate Interest [Member] Minimum [Member] Forecast [Member] | Dec. 31, 2013 Senior Unsecured Notes [Member] Fixed Rate Interest [Member] Maximum [Member] Forecast [Member] | Dec. 31, 2013 Recourse Term Loans on Operating Properties [Member] | Dec. 31, 2013 Recourse Term Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2012 Recourse Term Loans on Operating Properties [Member] Fixed Rate Interest [Member] | Dec. 31, 2013 Recourse Term Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Recourse Term Loans on Operating Properties [Member] Variable Rate Interest Member [Member] | Dec. 31, 2013 Construction Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Construction Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2013 Unsecured lines of credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Unsecured lines of credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2013 Secured Lines of Credit [Member] Wells Fargo Bank [Member] CreditLines | Dec. 31, 2013 Secured Lines of Credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Secured Lines of Credit [Member] Variable Rate Interest Member [Member] | Dec. 31, 2013 Unsecured Term Loans [Member] Loans | Dec. 31, 2013 Unsecured Term Loans [Member] Unsecured Term Loan 3 [Member] | Dec. 31, 2013 Unsecured Term Loans [Member] Unsecured Term Loan 3 [Member] Minimum [Member] | Dec. 31, 2013 Unsecured Term Loans [Member] Unsecured Term Loan 3 [Member] Maximum [Member] | Dec. 31, 2013 Unsecured Term Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2012 Unsecured Term Loans [Member] Variable Rate Interest Member [Member] | Dec. 31, 2013 Recourse and Nonrecourse Term Loans Member [Member] | Dec. 31, 2013 Fixed Rate Operating Loans [Member] | Dec. 31, 2013 Fixed Rate Operating Loans [Member] Minimum [Member] | Dec. 31, 2013 Fixed Rate Operating Loans [Member] Maximum [Member] | Dec. 31, 2013 Variable Rate Debt [Member] | Dec. 31, 2013 Variable Rate Debt [Member] Minimum [Member] | Dec. 31, 2013 Variable Rate Debt [Member] Maximum [Member] | Dec. 31, 2013 Northpark Mall [Member] | Aug. 31, 2013 Statesboro Crossing [Member] | Feb. 28, 2013 Statesboro Crossing [Member] | Apr. 30, 2012 Statesboro Crossing [Member] | Jun. 30, 2012 Statesboro Crossing [Member] | Mar. 31, 2012 Statesboro Crossing [Member] | Dec. 31, 2013 Statesboro Crossing [Member] Extension_Options | Jun. 30, 2013 Statesboro Crossing [Member] LIBOR [Member] | Apr. 30, 2012 Statesboro Crossing [Member] LIBOR [Member] | Dec. 31, 2012 West County Center [Member] | Dec. 31, 2013 West County Center [Member] | Jun. 30, 2013 Mid Rivers Mall [Member] | Apr. 30, 2013 South Country Center [Member] | Jan. 31, 2013 Westmoreland Mall [Member] | Dec. 31, 2013 The Promenade at Dlberville [Member] | Dec. 31, 2012 CBL Center [Member] | Apr. 30, 2012 CBL Center [Member] | Mar. 31, 2012 Arbor Place Mall, Jefferson Mall, The Landing at Arbor Place, Old Hickory Mall, WestGate Mall [Member] | Mar. 31, 2012 Arbor Place Mall, Jefferson Mall, The Landing at Arbor Place, Old Hickory Mall, WestGate Mall [Member] Minimum [Member] | Mar. 31, 2012 Arbor Place Mall, Jefferson Mall, The Landing at Arbor Place, Old Hickory Mall, WestGate Mall [Member] Maximum [Member] | Mar. 31, 2012 Northwoods Mall [Member] | Feb. 29, 2012 CBL Center II [Member] | Dec. 31, 2012 CBL Center II [Member] | May 31, 2012 Southpark Mall [Member] | Dec. 31, 2012 Southpark Mall [Member] | May 31, 2012 Southpark Mall [Member] Fixed Rate Interest [Member] | Oct. 31, 2012 Monroeville Mall [Member] | Sep. 30, 2012 Regional Mall [Member] | Dec. 31, 2013 Regional Mall [Member] | Dec. 31, 2013 Citadel Mall [Member] | Dec. 31, 2013 Columbia Place [Member] | Oct. 31, 2013 Outlet Shoppes at Atlanta [Member] | Aug. 31, 2012 Outlet Shoppes at Atlanta [Member] Extension_Options | Dec. 31, 2013 Outlet Shoppes at Atlanta [Member] | Dec. 31, 2012 Outlet Shoppes at Atlanta [Member] | Jun. 30, 2012 Outlet Shoppes at Atlanta [Member] Woodstock GA Investments LLC [Member] | Jun. 30, 2012 Outlet Shoppes at Atlanta [Member] Parent [Member] | Oct. 31, 2013 Outlet Shoppes at Atlanta [Member] Fixed Rate Interest [Member] | Oct. 31, 2013 Outlet Shoppes at Atlanta [Member] Recourse Term Loans on Operating Properties [Member] | Aug. 31, 2013 Louisville Outlet Shoppes [Member] Extension_Options | Dec. 31, 2013 Louisville Outlet Shoppes [Member] | Sep. 30, 2013 Forum at Grandview [Member] | Dec. 31, 2013 Forum at Grandview [Member] | Jun. 30, 2012 WestGate Mall [Member] | Jun. 30, 2012 WestGate Mall [Member] Fixed Rate Interest [Member] | May 31, 2012 Fashion Square Mall [Member] | May 31, 2012 Fashion Square Mall [Member] Fixed Rate Interest [Member] | May 31, 2012 Jefferson Mall [Member] | May 31, 2012 Jefferson Mall [Member] Fixed Rate Interest [Member] | Apr. 30, 2012 Arbor Place [Member] | Apr. 30, 2012 Arbor Place [Member] Fixed Rate Interest [Member] | Feb. 29, 2012 The Courtyard at Hickory Grove, Hickory Hollow Mall [Member] | Feb. 29, 2012 Fashion Square Mall, Northwoods Mall, Randolph Mall, Regency Mall [Member] | Feb. 29, 2012 Fashion Square Mall, Northwoods Mall, Randolph Mall, Regency Mall [Member] Minimum [Member] | Feb. 29, 2012 Fashion Square Mall, Northwoods Mall, Randolph Mall, Regency Mall [Member] Maximum [Member] | Jan. 31, 2012 Massard Crossing, Pemberton Plaza, Willowbrook Plaza [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] | Dec. 31, 2011 CBL & Associates Properties, Inc. [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Non-recourse Loans on Operating Properties [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Non-recourse Loans on Operating Properties [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Senior Unsecured Notes [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Senior Unsecured Notes [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Recourse Term Loans on Operating Properties [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Recourse Term Loans on Operating Properties [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Financing method obligation [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Financing method obligation [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Construction Loans [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Construction Loans [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Unsecured lines of credit [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Unsecured lines of credit [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Secured Lines of Credit [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Secured Lines of Credit [Member] | Dec. 31, 2013 CBL & Associates Properties, Inc. [Member] Unsecured Term Loans [Member] | Dec. 31, 2012 CBL & Associates Properties, Inc. [Member] Unsecured Term Loans [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instruments |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Number of Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property loan obligation guaranteed by Company (percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage and other indebtedness, fixed rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 27,265,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,990,774,000 | $ 3,794,509,000 |  | $ 3,527,830,000 | $ 3,776,245,000 | $ 445,374,000 | $ 0 |  |  | $ 17,570,000 | $ 18,264,000 |  |  |  |  |  |  |  |
Mortgage and other indebtedness, variable-rate debt |  |  |  |  |  |  |  |  |  |  |  | 99,371,000 |  | 5,000,000 | 124,383,000 |  |  | 228,754,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 228,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 866,749,000 | 951,174,000 |  | 133,712,000 | 123,875,000 |  |  | 51,300,000 | 97,682,000 |  |  | 2,983,000 | 15,366,000 | 228,754,000 | 475,626,000 | 0 | 10,625,000 | 450,000,000 | 228,000,000
Mortgage and other indebtedness |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  | 50,000,000 |  |  |  | 122,375,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,983,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,857,523,000 | 4,745,683,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate at Period End |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.67% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Interest Rate |  |  | 4.88% | 4.79% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.07% |  |  |  |  |  |  |  | 5.52% | 5.43% | 1.91% | 2.20% | 5.54% | 5.42% | 3.14% | 3.36% |  | 5.25% |  |  |  | 5.25% | 0.00% |  |  |  | 8.00% | 8.00% | 1.87% | 1.78% | 2.17% | 2.96% | 1.57% | 2.07% |  | 0.00% | 2.46% |  |  |  |  | 1.71% | 1.82% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in variable interest rate basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured debt to total assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% | 45.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notice Required to Redeem Debt, Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,152,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,626,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Debt, Net of Issuance Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 441,222,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments held |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount of interest rate swaps held |  |  |  |  |  |  | 109,830,000 | 113,885,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured non-recourse and recourse term loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,126,555,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured credit facility, borrowing capacity |  |  |  |  |  |  |  |  |  | 105,000,000 | 100,000,000 | 600,000,000 | 600,000,000 | 100,000,000 | 600,000,000 | 600,000,000.0 |  | 1,300,000,000 |  |  |  |  |  |  |  | 1,200,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, period of extension option |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, extension fee percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 9.00% |  |  |  |  |  |  |  |  |  |  |  | 1.40% | 1.00% | 1.55% | 1.75% | 2.10% |  |  |  |  | 1.50% |  |  | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% | 1.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.80% | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.75% |  |  |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest, percentage rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.54% | 8.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, unused capacity, fee percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, commitment fee percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.15% | 0.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, facility fee percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.57% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, Maturity Date |  |  |  |  |  |  |  |  |  |  |  | Nov. 13, 2015 |  | Feb. 05, 2016 | Nov. 13, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, Extended Maturity Date |  |  |  |  |  |  |  |  |  |  |  | Nov. 13, 2016 |  |  | Nov. 13, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount outstanding on letter of credit |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  | 617,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional secured and unsecured lines of credit with commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirement of term loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,684,000 |  | 13,460,000 |  |  |  |  |  |  | 142,235,000 |  | 88,410,000 | 71,740,000 | 63,639,000 |  | 9,078,000 |  | 180,022,000 |  |  |  | 12,818,000 | 12,818,000 | 30,763,000 | 30,763,000 |  | 106,895,000 | 44,480,000 | 178,000 |  |  |  |  |  |  |  |  |  |  |  |  | 10,200,000 | 2,023,000 |  |  |  |  |  |  |  |  | 25,962,000 | 141,235,000 |  |  | 34,349,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantors percentage obligation for construction loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated Interest Rate |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.75% |  | 1.21% |  |  |  |  |  |  |  | 3.40% | 5.88% | 4.96% | 5.05% |  |  | 4.50% |  | 6.50% | 6.51% | 5.08% | 6.25% |  | 7.00% |  | 4.85% | 5.73% |  |  |  |  |  |  |  |  |  |  | 4.90% |  |  |  | 3.19% |  |  | 4.99% |  | 4.95% |  | 4.75% |  | 5.10% | 6.00% |  | 6.50% | 6.51% | 7.54% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  | 9,108,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (8,936,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,108,000) | 265,000 | 1,029,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayment fee |  | 8,708,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,708,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 228,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of unamortized debt discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 172,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,568,000 | 13,568,000 | 20,911,000 |  | 11,400,000 |  | 190,000,000 |  |  |  |  |  |  |  |  |  |  | 73,000,000 |  |  | 67,000,000 |  |  |  |  |  |  |  | 80,000,000 |  |  |  |  |  |  |  |  |  |  |  | 40,000,000 |  | 42,000,000 |  | 71,190,000 |  | 122,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net unamortized premiums |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,315,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,689,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average remaining term to maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years 9 months 24 days |  |  | 2 years 5 months 1 day |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 53,080,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extension option, term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  | 1 year |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint venture, ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% | 75.00% |  |  |  | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  |  | 22,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | 450,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 69,823,000 |  |  |  |  | 60,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of operating property loans | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51,300,000 |  |  |  |  |  |  |  | 164,700,000 | 113,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 284,205,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest, percentage rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.87% | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of one-year extension options available |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-recourse debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 68,169,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Additional secured and unsecured lines of credit that can only be used for issuing letter of credit. + References No definition available. + Details
Name: | cbl_AdditionalSecuredAndUnsecuredLinesOfCreditWithCommitment
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Interest Rate, Increase (Decrease) in Variable Rate Basis + References No definition available. + Details
Name: | cbl_DebtInstrumentInterestRateIncreaseDecreaseinVariableRateBasis
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total amount available under the debt instrument + References No definition available. + Details
Name: | cbl_DebtInstrumentMaximumBorrowingCapacity
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Lines of Credit, Number + References No definition available. + Details
Name: | cbl_DebtInstrumentNumberOfInstruments
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Period of Extension Option + References No definition available. + Details
Name: | cbl_DebtInstrumentPeriodofExtensionOption
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Prepayment Penalty + References No definition available. + Details
Name: | cbl_DebtInstrumentPrepaymentPenalty
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Instrument, Weighted Average Remaining Term to Maturity + References No definition available. + Details
Name: | cbl_DebtInstrumentWeightedAverageRemainingTermtoMaturity
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of third party construction loan guaranteed by the company. + References No definition available. + Details
Name: | cbl_GuarantorsPercentageObligationForConstructionLoan
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Guarantors Percentage Obligation for Land Loan + References No definition available. + Details
Name: | cbl_GuarantorsPercentageObligationforLandLoan
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impairment of Unamortized Debt Discount + References No definition available. + Details
Name: | cbl_ImpairmentofUnamortizedDebtDiscount
Namespace Prefix: | cbl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date the credit facility terminates after exercizing all extension options available, in CCYY-MM-DD format. + References No definition available. + Details
Name: | cbl_LineOfCreditFacilityExpirationDateAfterExtensionOptions
Namespace Prefix: | cbl_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Facility Fee Percentage + References No definition available. + Details
Name: | cbl_LineofCreditFacilityFacilityFeePercentage
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period of Extension Options available to exercize on the line of credit facility + References No definition available. + Details
Name: | cbl_LineOfCreditFacilityPeriodOfExtensionOption
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage fee charged for exercising the extension option on the line of credit. + References No definition available. + Details
Name: | cbl_LineOfCreditOptionExerciseFeeChargedPercent
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notice Required to Redeem Debt, Term + References No definition available. + Details
Name: | cbl_NoticeRequiredtoRedeemDebtTerm
Namespace Prefix: | cbl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Debt Instruments + References No definition available. + Details
Name: | cbl_NumberofDebtInstruments
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of extension options available. + References No definition available. + Details
Name: | cbl_NumberOfExtensionOptionsAvailable
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Operating Property Loans + References No definition available. + Details
Name: | cbl_NumberOfOperatingPropertyLoans
Namespace Prefix: | cbl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Secured Debt to Total Assets + References No definition available. + Details
Name: | cbl_SecuredDebttoTotalAssets
Namespace Prefix: | cbl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
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