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Cover Page - shares
 6 Months Ended
Jun. 30, 2019
Aug. 06, 2019
Document Information [Line Items]    
Entity Central Index Key 0000910612  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2019  
Document Transition Report false  
Entity File Number 1-12494  
Entity Registrant Name CBL & ASSOCIATES PROPERTIES INC  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number    62-1545718  
Entity Address, Address Line One 2030 Hamilton Place Blvd., Suite 500  
Entity Address, City or Town Chattanooga  
Entity Address, State or Province TN  
Entity Address, Postal Zip Code 37421-6000  
City Area Code 423  
Local Phone Number 855-0001  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   173,472,151
Common Stock, $0.01 par value    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, $0.01 par value   
Trading Symbol CBL  
Security Exchange Name NYSE  
7.375% Series D Cumulative Redeemable Preferred Stock, $0.01 par value    
Document Information [Line Items]    
Title of 12(b) Security 7.375% Series D Cumulative Redeemable Preferred Stock, $0.01 par value   
Trading Symbol CBLprD  
Security Exchange Name NYSE  
6.625% Series E Cumulative Redeemable Preferred Stock, $0.01 par value    
Document Information [Line Items]    
Title of 12(b) Security 6.625% Series E Cumulative Redeemable Preferred Stock, $0.01 par value   
Trading Symbol CBLprE  
Security Exchange Name NYSE  
CBL & Associates Limited Partnership    
Document Information [Line Items]    
Entity Central Index Key 0000915140  
Entity File Number 333-182515-01  
Entity Registrant Name CBL & Associates Limited Partnership  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number    62-1542285  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false