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Share-based Compensation - Summary (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 2 Months Ended | 10 Months Ended | 12 Months Ended
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Feb. 16, 2022 | Feb. 10, 2020 | Feb. 28, 2022 | Dec. 31, 2021 | Oct. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (shares) |  |  |  |  |  |  |  |  |  | 10,400,000 |  |  |  |  |
Weighted-Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation cost capitalized as part of real estate assets |  |  |  |  |  |  |  | $ 10 |  |  |  | $ 20 |  |  |
Performance Stock Unit Awards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (shares) |  |  |  |  |  |  |  |  |  | 727,223 | [1] | 3,408,083 | [2] | 1,103,537 | [3]
Share-based compensation cost |  |  |  |  |  |  |  | $ 315 |  | $ 4,485 |  | $ 3,185 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nonvested, beginning of period (shares) |  |  |  |  |  |  |  | 1,103,537 |  |  |  |  |  |  |
Granted (shares) |  |  |  |  |  |  |  |  |  | 727,223 | [1] | 3,408,083 | [2] | 1,103,537 | [3]
Incremental granted (shares) | [1] |  |  |  |  |  |  |  |  | 82,281 |  |  |  |  |
Vested (shares) |  |  |  |  |  |  |  |  |  | (202,376) |  |  |  |  |
Forfeited (shares) |  |  |  |  |  |  |  | (1,103,537) | [4] |  |  | (3,408,083) | [5] |  |
Nonvested, end of period (shares) |  |  |  |  |  |  |  |  |  | 607,128 |  | 1,103,537 |  |  |
Weighted-Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average grant-date fair value, nonvested, beginning of period (USD per share) |  |  |  |  |  |  |  | $ 2.40 |  |  |  |  |  |  |
Weighted average grant-date fair value, granted (USD per share) |  |  |  |  |  |  |  |  |  | $ 24.67 | [1] | $ 0.84 | [2] | $ 2.40 | [3]
Weighted average incremental grant-date fair value, granted (USD per share) | [1] |  |  |  |  |  |  |  |  | 26.66 |  |  |  |  |
Weighted average grant-date fair value, vested (USD per share) |  |  |  |  |  |  |  |  |  | $ 24.87 |  |  |  |  |
Weighted average grant-date fair value, forfeited (USD per share) |  |  |  |  |  |  |  | $ 2.40 | [4] |  |  | 0.84 | [5] |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  | $ 24.67 | [6] | $ 0.84 | [7] |  |  |  |  | $ 24.69 |  | $ 2.40 |  |  |
Vested (shares) |  |  |  |  |  |  |  |  |  | (202,376) |  |  |  |  |
Unrecognized compensation cost related to nonvested stock awards |  |  |  |  |  |  |  |  |  | $ 13,457 |  |  |  |  |
Compensation cost to be recognized over a weighted-average period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |
Shares granted in period classified as liabilities (shares) |  |  |  |  |  |  |  |  |  |  |  | 1,247,098 |  | 566,862 |
Share-based compensation expense related to cancellation of the 2020 PSUs |  |  |  |  |  |  |  |  |  |  |  | $ 2,052 |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  | $ 24.67 | [6] | $ 0.84 | [7] |  |  |  |  | $ 24.69 |  | $ 2.40 |  |  |
Risk-free interest rate (as a percent) |  | 1.85% | [8] | 1.39% | [9] |  |  |  |  |  |  |  |  |  |
Expected share price volatility (as a percent) |  | 65.00% | [10] | 57.98% | [11] |  |  |  |  |  |  |  |  |  |
Performance period |  |  |  | 3 years |  | 4 years |  |  |  |  |  |  |  |  |
Percentage of outstanding shares would be earned upon achievement of stated goal |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Performance Stock Unit Awards | Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (shares) |  |  |  | 2,131,245 |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (shares) |  |  |  | 2,131,245 |  |  |  |  |  |  |  |  |  |  |
Weighted-Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  |  |  | $ 0.88 |  |  |  |  |  |  |  |  |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  |  |  | $ 0.88 |  |  |  |  |  |  |  |  |  |  |
Performance Stock Unit Awards | Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (shares) |  |  |  | 1,065,463 |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (shares) |  |  |  | 1,065,463 |  |  |  |  |  |  |  |  |  |  |
Weighted-Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  |  |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  |  |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |
2021 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (shares) |  |  |  |  |  |  |  |  |  | 3,222,222 |  |  |  |  |
Percentage released stock awards granted |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |  |
Restricted Stock Awards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (shares) |  |  |  |  |  |  |  |  |  | 115,884 |  |  |  |  |
Vesting rate |  |  |  |  |  |  |  | 25.00% |  |  |  |  |  |  |
Share-based compensation cost |  |  |  |  |  |  | $ 299 | $ 863 |  | $ 7,400 |  | $ 2,239 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nonvested, beginning of period (shares) |  |  |  |  |  |  |  | 1,519,774 |  | 784,999 |  |  |  |  |
Granted (shares) |  |  |  |  |  |  |  |  |  | 115,884 |  |  |  |  |
Vested (shares) |  |  |  |  |  |  |  | (1,490,751) |  | (215,508) |  |  |  |  |
Forfeited (shares) |  |  |  |  |  |  |  | (29,023) |  | (22,500) |  |  |  |  |
Nonvested, end of period (shares) |  |  |  |  |  |  | 784,999 |  |  | 662,875 |  | 1,519,774 |  |  |
Weighted-Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average grant-date fair value, nonvested, beginning of period (USD per share) |  |  |  |  |  |  |  | $ 2.15 |  | $ 27.57 |  |  |  |  |
Weighted average grant-date fair value, granted (USD per share) |  |  |  |  |  |  |  |  |  | 26.71 |  | $ 0.86 |  |  |
Weighted average grant-date fair value, vested (USD per share) |  |  |  |  |  |  |  | 2.14 |  | 27.56 |  |  |  |  |
Weighted average grant-date fair value, forfeited (USD per share) |  |  |  |  |  |  |  | $ 2.73 |  | 27.57 |  |  |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  |  |  |  |  |  | $ 27.57 |  |  | $ 27.42 |  | $ 2.15 |  |  |
Weighted average grant-date fair value, granted |  |  |  |  |  |  | $ 21,642 |  |  | $ 3,095 |  |  |  |  |
Vested (shares) |  |  |  |  |  |  |  | (1,490,751) |  | (215,508) |  |  |  |  |
Unrecognized compensation cost related to nonvested stock awards |  |  |  |  |  |  |  |  |  | $ 16,418 |  |  |  |  |
Compensation cost to be recognized over a weighted-average period |  |  |  |  |  |  |  |  |  | 2 years 9 months 18 days |  |  |  |  |
Total fair value of shares vested |  |  |  |  |  |  | $ 0 | $ 220 |  | $ 5,306 |  | $ 951 |  |  |
Weighted average grant-date fair value, nonvested, ending of period (USD per share) |  |  |  |  |  |  | $ 27.57 |  |  | $ 27.42 |  | $ 2.15 |  |  |
Restricted Stock Awards | Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |
Vesting rate |  |  |  |  |  |  |  |  |  | 25.00% |  |  |  |  |
Restricted Stock Awards | Non-Executive Officers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |
Vesting rate |  |  |  |  |  |  |  |  |  | 33.00% |  |  |  |  |
Restricted Stock Awards | Non-Employee Directors |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |
[1] | PSUs granted shall be adjusted as if the shares of common stock represented by such PSUs had received any applicable stock or cash dividends declared. As for stock dividends, a number of PSUs shall be added to the target amount corresponding to the number of shares of common stock that would have been payable per such stock dividend on the then outstanding number of PSUs under the agreement as if common stock had been issued for such PSUs. As to cash dividends, a number of PSUs shall be added to the target amount corresponding to the number of shares of common stock that could have been acquired by the cash dividend payable on the then outstanding number of PSUs under the agreement as if common stock had been issued for such PSUs, and the calculation of the number of shares of common stock that could have been acquired shall be based on the closing price of the common stock on the record date for the cash dividend at issue.
[2] | Includes 1,247,098 shares classified as a liability due to the potential cash component.
[3] | Includes 566,862 shares classified as a liability due to the potential cash component.
[4] | As of the Effective Date and pursuant to the Plan, all outstanding PSUs of the Predecessor Company were deemed cancelled.
[5] | In connection with the restructuring and support agreement, dated as of August 18, 2020, by and between the Predecessor Company and certain beneficial owners and/or investment advisors or managers of discretionary funds, accounts or other entities for the holders of beneficial owners (the "Consenting Noteholders"), the 2020 PSUs were cancelled.
[6] | The value of the PSU awards is estimated on the date of grant using a Monte Carlo simulation model. The valuation consists of computing the fair value using CBL's simulated stock price as well as TMR for each performance period. The award is modeled as a contingent claim in that the expected return on the underlying shares is risk-free and the rate of discounting the payoff of the award is also risk-free.
[7] | The value of the PSU awards is estimated on the date of grant using a Monte Carlo simulation model. The valuation consists of computing the fair value using CBL's simulated stock price as well as TSR over a three-year performance period. The award is modeled as a contingent claim in that the expected return on the underlying shares is risk-free and the rate of discounting the payoff of the award is also risk-free. The weighted-average fair value per share related to the 2020 PSUs classified as equity consists of 2,131,245 shares at a fair value of $0.88 (which relate to relative TSR) and 1,065,463 shares at fair value of $0.75 per share (which relate to absolute TSR).
[8] | The risk-free interest rate was based on the yield curve on zero-coupon U.S. Treasury securities in effect as of the valuation date, which is the grant date listed above.
[9] | The risk-free interest rate was based on the yield curve on zero-coupon U.S. Treasury securities in effect as of the valuation date, which is the respective grant date listed above.
[10] | The computation of expected volatility was based on the historical volatility of the share prices of comparable, publicly traded companies and given the Company's risk profile and leverage relative to the comparable, publicly traded companies. The Company's historical volatility was not relied upon given the Company's limited trading history since the Effective Date.
[11] | The computation of expected volatility was based on a blend of the historical volatility of CBL's shares of common stock based on annualized daily total continuous returns over a five-year period for the 2020 PSUs and implied volatility data based on the trailing month average of daily implied volatilities implied by stock call option contracts that were both closest to the terms shown and closest to the money.

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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