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Earnings per Share and Earnings per Unit - Narrative (Details) - shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CBL & Associates Limited Partnership
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Undistributed losses allocated to participating common units percent	100.00%
Common Units | CBL & Associates Limited Partnership
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive securities excluded from the computation of EPS (shares)	0	0
Antidilutive securities excluded from the computation of EPS (shares)	0	0
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive securities excluded from the computation of EPS (shares)	0	0
Antidilutive securities excluded from the computation of EPS (shares)	0	0

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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