Debt instrument extension term.

No definition available.

Name:	cbl_DebtInstrumentExtensionTerm
Namespace Prefix:	cbl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument loan amount paid off in conjunction with closing.

+ References

No definition available.

+ Details

Name:	cbl_DebtInstrumentLoanAmountPaidOffInConjunctionWithClosing
Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt instrument, outstanding balance after redemption.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt instrument redemption of aggregate principal amount.

+ References

No definition available.

+ Details

Name:	cbl_DebtInstrumentRedemptionOfAggregatePrincipalAmount
Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt Instrument, Weighted Average Remaining Term to Maturity

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest coverage ratio.

+ References

No definition available.

+ Details

Name:	cbl_InterestCoverageRatio
Namespace Prefix:	cbl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Limited guaranty eliminated loan balance reduced amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Limited Guaranty Loan Reduced Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum debt yield ratio.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of lifestyle centers owned.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of malls.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of non-recourse loans.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of open air centers.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Operating Property Loans

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Occupancy rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Principal amortization payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Principal liability cap reduction percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Property-level debt and related obligations.

+ References

No definition available.

+ Details

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Namespace Prefix:	cbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face amount or stated value per share of common stock.

+ References

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Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of debt redemption features under terms of the debt agreement.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Discloses whether the terms of the guarantee (or each group of similar guarantees) provide for no limitation to the maximum potential future payments under the guarantee.

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Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Discussion of whether the borrowings under the credit facility are secured or unsecured and, if secured, a description of collateral (for example, accounts receivable less than 120 days old, finished goods inventory).

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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- Definition

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Mortgage and Other Indebtedness, Net - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended			12 Months Ended
	Oct. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 31, 2022 USD ($)	Dec. 31, 2022 USD ($) Lifestyle_center Loan OpenAir_center Mall $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	May 06, 2022 shares	Feb. 28, 2022	Feb. 01, 2022 shares	Oct. 31, 2021 USD ($)
Debt Instrument [Line Items]
Non-recourse loan amount				$ 2,000,186	$ 1,813,209				$ 1,678,619
Fair value carrying amount				$ 2,019,157
Lifestyle Centers \| Lifestyle_center				5
Loan agreement term		5 years
Debt instrument extension term		2 years
Loan, collaterals		90 outparcels and 13 open-air centers
Common stock, par value (USD per share) \| $ / shares				$ 0.001	$ 0.001
Common stock issued (shares) \| shares				31,780,109	20,774,716	12,380,260
Senior secured notes					$ 395,395				$ 395,000
Loan amount		$ 360,000
2023				$ 321,695
Property-level debt and related obligations				553,910
Notes Payable				483,492
NotesPayableCurrent				70,419
Nonrecourse
Debt Instrument [Line Items]
Non-recourse loan amount			$ 65,000
Interest rate percentage			5.85%
Loan agreement term			3 years
Loan amount paid off in conjunction with closing			$ 7,058
Fayette Mall
Debt Instrument [Line Items]
Loan outstanding balance				127,568
Interest rate of debt bearing fixed interest (as a percent)							4.25%
Arbor Place
Debt Instrument [Line Items]
Debt instrument, maturity date			May 31, 2026
Interest rate percentage			5.10%
Loan agreement term			4 years
Loan outstanding balance				97,244
Northwoods Mall
Debt Instrument [Line Items]
Debt instrument, maturity date			Apr. 30, 2026
Interest rate percentage			5.08%
Loan agreement term			4 years
Loan outstanding balance				57,059
Parkdale Mall & Crossing
Debt Instrument [Line Items]
Loan outstanding balance				63,136
The Outlet Shoppes at Gettysburg
Debt Instrument [Line Items]
Non-recourse loan amount	$ 21,000
Debt instrument, maturity date	Oct. 27, 2025
Interest rate percentage	4.80%
Loan outstanding balance				$ 20,974
Extinguishment of debt	$ 7,344
Cross Creek Mall
Debt Instrument [Line Items]
Debt instrument, maturity date				Jan. 05, 2023
Loan outstanding balance				$ 97,431
Southpark Mall
Debt Instrument [Line Items]
Loan outstanding balance				54,022
Jefferson Mall, Louisville, KY
Debt Instrument [Line Items]
Loan outstanding balance				$ 55,817
Exit Credit Agreement
Debt Instrument [Line Items]
Number of malls \| Mall				16
Lifestyle Centers \| Lifestyle_center				3
Number of open air centers \| OpenAir_center				3
Half Portion Of New Loan
Debt Instrument [Line Items]
Interest rate percentage		6.95%
Loan amount		$ 180,000
Second Half Portion Of New Loan \| SOFR
Debt Instrument [Line Items]
Debt instrument basis points		4.10%
Loan Secured By CBL Center
Debt Instrument [Line Items]
Loan amount paid		$ 14,949
Operating Property Loan
Debt Instrument [Line Items]
2023				$ 281,489
Number of operating property loans (loan) \| Loan				4
Fixed Rate Operating Loans
Debt Instrument [Line Items]
Weighted-average remaining term to maturity				2 years 1 month 6 days
Non-Recourse Loans on Operating Properties, Open-Air Centers and Outparcels Loan and Secured Term Loan
Debt Instrument [Line Items]
Non-recourse loan amount				$ 1,632,708
Senior Secured Term Loan \| Exit Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, covenant description				The exit credit agreement requires HoldCo I to comply with certain financial ratios in the aggregate for the collateral properties, including a covenant that it not permit the (i) interest coverage ratio (as defined in the exit credit agreement) commencing with the fiscal quarter ending December 31, 2021, to be less than 1.50 to 1.00, (ii) minimum debt yield ratio (as defined in the exit credit agreement) commencing with the fiscal quarter ending March 31, 2023 as of the last day of any fiscal quarter ending prior to the maturity date, to be less than eleven and a half percent (11.50%) and (iii) the occupancy rate (as defined in the exit credit agreement) commencing with the fiscal quarter ending March 31, 2023, as of the last day of any fiscal quarter ending prior to the maturity date, to be less than seventy five percent (75%). The Operating Partnership provided a limited guaranty up to a maximum of $175,000 (the “principal liability cap”). The principal liability cap is reduced by an amount equal to 100% of the first $2,500 in principal amortization made by HoldCo I each calendar year and is reduced further by 50% of the principal amortization payments made by HoldCo I each calendar year in excess of the first $2,500 in principal amortization for such calendar year. As of December 31, 2022, the principal liability cap had been reduced to $140,986. The principal liability cap is eliminated when the loan balance is reduced below $650,000. Additionally, the Company believes that it was in compliance with all financial covenants and restrictions at December 31, 2022.
Debt instrument, maturity date, description				senior secured term loan that matures November 1, 2025. Upon satisfaction of certain conditions, the maturity date will automatically extend to November 1, 2026 and upon further satisfaction of certain conditions the maturity date will automatically extend to November 1, 2027.
Limited guarantee description				The principal liability cap is eliminated when the loan balance is reduced below $650,000. Additionally, the Company believes that it was in compliance with all financial covenants and restrictions at December 31, 2022.
Fair value carrying amount				$ 883,700
Debt instrument, maturity date				Nov. 01, 2025
Maximum debt yield ratio					11.50%
Limited guaranty loan reduced amount				$ 140,986
Limited guaranty eliminated loan balance reduced amount				$ 650,000
Senior Secured Term Loan \| Exit Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis				The Exit Credit Agreement bears interest at a rate per annum equal to LIBOR for the applicable period plus 275 basis points, subject to a LIBOR floor of 1.0%.
Debt instrument basis points				275.00%
Interest rate percentage				1.00%
Secured Notes
Debt Instrument [Line Items]
Fair value carrying amount					$ 395,000
Redemption of aggregate principal amount		335,000
Secured Notes \| Nonrecourse
Debt Instrument [Line Items]
Redemption of aggregate principal amount			$ 60,000
Brookfield Square Anchor Redevelopment loan
Debt Instrument [Line Items]
Loan amount paid		$ 8,322
Loan amount				$ 18,240
7.0% Exchangeable Senior Secured Notes Due 2028 \| Exchangeable Notes Indenture
Debt Instrument [Line Items]
Fair value carrying amount				$ 150,000	$ 150,000
Debt instrument, maturity date				Nov. 15, 2028
Interest rate percentage				7.00%
Debt Instrument, payment terms description				payable semi-annually on November 15 and May 15, beginning May 15, 2022.
Debt instrument, frequency of periodic payment				semi-annually
Common stock, par value (USD per share) \| $ / shares					$ 0.001
Common stock issued (shares) \| shares								10,982,795
10% Senior Secured Notes Due 2029 \| Secured Notes Indenture
Debt Instrument [Line Items]
Fair value carrying amount				$ 455,000
Debt instrument, maturity date				Nov. 15, 2029
Interest rate percentage				10.00%
Debt instrument, redemption description				HoldCo II redeemed $60,000 aggregate principal amount of the Secured Notes pursuant to an optional redemption on November 8, 2021
Debt instrument, frequency of periodic payment				semi-annually
Debt instrument, outstanding balance after redemption				$ 395,000
Redemption of aggregate principal amount				$ 60,000
Variable Rate Debt
Debt Instrument [Line Items]
Number of non-recourse loans \| Loan				2
Variable Rate Debt \| Nonrecourse
Debt Instrument [Line Items]
Non-recourse loan amount				$ 56,490
First Year \| Exit Credit Agreement
Debt Instrument [Line Items]
Principal liability cap reduction percentage					100.00%
Principal amortization payments					$ 2,500
Excess of First Year \| Exit Credit Agreement
Debt Instrument [Line Items]
Principal liability cap reduction percentage					50.00%
Minimum \| Fixed Rate Operating Loans
Debt Instrument [Line Items]
Interest rate of debt bearing fixed interest (as a percent)				4.25%
Minimum \| Variable Rate Debt
Debt Instrument [Line Items]
Variable interest rate (as a percent)				7.02%
Maximum \| Fixed Rate Operating Loans
Debt Instrument [Line Items]
Interest rate of debt bearing fixed interest (as a percent)				6.95%
Maximum \| Senior Secured Term Loan \| Exit Credit Agreement
Debt Instrument [Line Items]
Interest coverage ratio					1.50%
Occupancy rate					75.00%
Limited guaranty amount					$ 175,000
Maximum \| Variable Rate Debt
Debt Instrument [Line Items]
Variable interest rate (as a percent)				8.22%