Consolidated Statements of Capital - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Beginning balance of redeemable noncontrolling partnership interests	$ 2,160
Redeemable Noncontrolling Interests
Redemptions of common units		$ (96)	$ (2,246)
Dividends declared - common stock		(13,010)	(116,546)
Preferred dividends declared		(33,669)	(44,892)
Cancellation of shares of restricted common stock	(116)	(144)	(284)
Performance stock units	3,548	1,250	1,292
Forfeiture of performance stock units			(250)
Amortization of deferred compensation	1,769	2,794	3,640
Adjustment to record redeemable noncontrolling interests at redemption value			3,619
Distributions to noncontrolling interests	(912)	(11,149)	(27,311)
Contributions from noncontrolling interests	692	4,654	9,609
Deconsolidation of investments		12,014
Ending balance of redeemable noncontrolling partnership interests	(265)	2,160
Total Shareholders' Equity
Redeemable Noncontrolling Interests
Dividends declared - common stock		(13,010)	(116,546)
Preferred dividends declared		(33,669)	(44,892)
Cancellation of shares of restricted common stock	(116)	(144)	(284)
Performance stock units	3,548	1,250	1,292
Forfeiture of performance stock units			(250)
Amortization of deferred compensation	1,769	2,794	3,640
Adjustment to record redeemable noncontrolling interests at redemption value			3,152
Noncontrolling Interests
Redeemable Noncontrolling Interests
Adjustment to record redeemable noncontrolling interests at redemption value			467
Distributions to noncontrolling interests	(912)	(11,149)	(27,311)
Contributions from noncontrolling interests	692	4,654	9,609
Deconsolidation of investments		12,014
CBL & Associates Limited Partnership
Beginning balance, partners' capital	862,154	1,032,458	1,236,768
Beginning balance of redeemable noncontrolling partnership interests	2,160
Redeemable Noncontrolling Interests
Net loss	(332,802)	(130,337)	(98,096)
Other comprehensive income	18
Issuances of common units	533	791	856
Redemptions of common units		(96)	(2,267)
Dividends declared - common stock		(18,601)	(137,631)
Preferred dividends declared		(33,669)	(44,892)
Cancellation of shares of restricted common stock	(117)	(144)	(284)
Performance stock units	3,548	1,250	1,292
Forfeiture of performance stock units			(250)
Amortization of deferred compensation	1,774	2,794	3,640
Allocation of partners' capital	(310)	(3,403)	(4,059)
Adjustment to record redeemable noncontrolling interests at redemption value			3,618
Distributions to noncontrolling interests	(912)	(5,557)	(6,226)
Contributions from noncontrolling interests	692	4,654	9,609
Deconsolidation of investments		12,014
Ending balance, partners' capital	534,578	862,154	1,032,458
Ending balance of redeemable noncontrolling partnership interests	(265)	2,160
CBL & Associates Limited Partnership \| CBL & Associates Limited Partnership Redeemable Common Units
Beginning balance of redeemable noncontrolling partnership interests	2,160	3,575	8,835
Redeemable Noncontrolling Interests
Net loss	(2,727)	(1,384)	(1,134)
Dividends declared - common stock		(3,429)	(4,572)
Allocation of partners' capital	302	3,398	4,065
Adjustment to record redeemable noncontrolling interests at redemption value			(3,619)
Ending balance of redeemable noncontrolling partnership interests	(265)	2,160	3,575
CBL & Associates Limited Partnership \| Accumulated Other Comprehensive Income
Redeemable Noncontrolling Interests
Other comprehensive income	18
Ending balance, partners' capital	18
CBL & Associates Limited Partnership \| Total Shareholders' Equity
Beginning balance, partners' capital	838,193	1,020,347	1,227,067
Redeemable Noncontrolling Interests
Net loss	(312,119)	(131,076)	(97,123)
Other comprehensive income	18
Issuances of common units	533	791	856
Redemptions of common units		(96)	(2,267)
Dividends declared - common stock		(18,601)	(137,631)
Preferred dividends declared		(33,669)	(44,892)
Cancellation of shares of restricted common stock	(117)	(144)	(284)
Performance stock units	3,548	1,250	1,292
Forfeiture of performance stock units			(250)
Amortization of deferred compensation	1,774	2,794	3,640
Allocation of partners' capital	(310)	(3,403)	(4,059)
Adjustment to record redeemable noncontrolling interests at redemption value			3,618
Ending balance, partners' capital	531,520	838,193	1,020,347
CBL & Associates Limited Partnership \| Noncontrolling Interests
Beginning balance, partners' capital	23,961	12,111	9,701
Redeemable Noncontrolling Interests
Net loss	(20,683)	739	(973)
Distributions to noncontrolling interests	(912)	(5,557)	(6,226)
Contributions from noncontrolling interests	692	4,654	9,609
Deconsolidation of investments		12,014
Ending balance, partners' capital	3,058	23,961	12,111
CBL & Associates Limited Partnership \| Cumulative Effect of Accounting Change \| ASU 2016-16
Beginning balance, partners' capital			11,433
CBL & Associates Limited Partnership \| Cumulative Effect of Accounting Change \| ASU 2014-09
Beginning balance, partners' capital			58,947
CBL & Associates Limited Partnership \| Cumulative Effect of Accounting Change \| Total Shareholders' Equity \| ASU 2016-16
Beginning balance, partners' capital			11,433
CBL & Associates Limited Partnership \| Cumulative Effect of Accounting Change \| Total Shareholders' Equity \| ASU 2014-09
Beginning balance, partners' capital			58,947
CBL & Associates Limited Partnership \| General Partner
Beginning balance, partners' capital	2,765	4,628	6,735
Redeemable Noncontrolling Interests
Net loss	(3,175)	(1,684)	(1,459)
Dividends declared - common stock		(151)	(1,358)
Cancellation of shares of restricted common stock		(1)
Performance stock units	36	13	13
Forfeiture of performance stock units			(3)
Amortization of deferred compensation	46	29	38
Allocation of partners' capital	(3)	(34)	(97)
Adjustment to record redeemable noncontrolling interests at redemption value	(8)	(35)	37
Ending balance, partners' capital	(339)	2,765	4,628
CBL & Associates Limited Partnership \| General Partner \| Cumulative Effect of Accounting Change \| ASU 2016-16
Beginning balance, partners' capital			117
CBL & Associates Limited Partnership \| General Partner \| Cumulative Effect of Accounting Change \| ASU 2014-09
Beginning balance, partners' capital			605
CBL & Associates Limited Partnership \| Limited Partner
Beginning balance, partners' capital	270,216	450,507	655,120
Redeemable Noncontrolling Interests
Net loss	(308,944)	(163,061)	(140,556)
Issuances of common units	533	791	856
Redemptions of common units		(96)	(2,267)
Dividends declared - common stock		(18,450)	(136,273)
Cancellation of shares of restricted common stock	(117)	(143)	(284)
Performance stock units	3,512	1,237	1,279
Forfeiture of performance stock units			(247)
Amortization of deferred compensation	1,728	2,765	3,602
Allocation of partners' capital	(307)	(3,369)	(3,962)
Adjustment to record redeemable noncontrolling interests at redemption value	8	35	3,581
Ending balance, partners' capital	(33,371)	270,216	450,507
CBL & Associates Limited Partnership \| Limited Partner \| Cumulative Effect of Accounting Change \| ASU 2016-16
Beginning balance, partners' capital			11,316
CBL & Associates Limited Partnership \| Limited Partner \| Cumulative Effect of Accounting Change \| ASU 2014-09
Beginning balance, partners' capital			58,342
CBL & Associates Limited Partnership \| Preferred Units
Beginning balance, partners' capital	$ 565,212	$ 565,212	$ 565,212
Beginning balance, partners' capital units (shares)	25,050,000	25,050,000	25,050,000
Redeemable Noncontrolling Interests
Net loss		$ 33,669	$ 44,892
Preferred dividends declared		(33,669)	(44,892)
Ending balance, partners' capital	$ 565,212	$ 565,212	$ 565,212
Ending balance, partners' capital units (shares)	25,050,000	25,050,000	25,050,000
CBL & Associates Limited Partnership \| Common Units
Beginning balance, partners' capital units (shares)	200,189,000	199,415,000	199,297,000
Redeemable Noncontrolling Interests
Issuance of common units (shares)	1,639,000	915,000	728,000
Redemption of common units (shares)		(73,000)	(535,000)
Cancellation of restricted common units (shares)	(140,000)	(68,000)	(75,000)
Ending balance, partners' capital units (shares)	201,688,000	200,189,000	199,415,000

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Redeemable noncontrolling interest equity deficit common carrying amount.

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Stock canceled during period shares.

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Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement, classified as other.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The portion of net income or loss attributable to temporary equity interest.

+ References

No definition available.

+ Details

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