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EQUITY-BASED INCENTIVE PLANS - Nonvested Restricted Stock Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2021
RSAs |  |
Shares |  |
Number of nonvested shares outstanding, beginning | 406,001 |
Nonvested shares granted | 0 |
Nonvested shares vested | (178,169) |
Nonvested shares forfeited | (34,167) |
Number of nonvested shares outstanding, ending | 193,665 |
Unrecognized stock-based compensation expense | $ 503 |
Weighted Average Grant Date Fair Value |  |
Weighted average exercise price outstanding, beginning (in usd per share) | $ 4.02 |
Weighted average exercise price outstanding, nonvested options granted (in usd per share) | 0 |
Weighted average exercise price outstanding, options vested (in usd per share) | 4.10 |
Weighted average exercise price outstanding, options forfeited (in usd per share) | 4.38 |
Weighted average exercise price outstanding, ending (in usd per share) | $ 3.87 |
Weighted average remaining vesting period | 1 year 3 months 18 days |
RSUs |  |
Shares |  |
Number of nonvested shares outstanding, beginning | 450,000 |
Nonvested shares vested | (491,520) |
Nonvested shares forfeited |  | (450,000)
Number of nonvested shares outstanding, ending | 137,577 |
Unrecognized stock-based compensation expense | $ 4,830 |
Restricted Shares |  |
Nonvested restricted stock outstanding, beginning balance (in shares) | 842,302 |
Nonvested restricted stock granted (in shares) | 1,116,875 |
Nonvested restricted stock vested (in shares) | (313,351) |
Nonvested restricted stock forfeited (in shares) | (223,002) |
Nonvested restricted stock outstanding, ending balance (in shares) | 1,422,824 |
Weighted Average Grant Date Fair Value |  |
Weighted average exercise price outstanding, beginning (in usd per share) | $ 4.42 |
Weighted average exercise price outstanding, nonvested options granted (in usd per share) | 4.34 |
Weighted average exercise price outstanding, options vested (in usd per share) | 4.59 |
Weighted average exercise price outstanding, options forfeited (in usd per share) | 4.38 |
Weighted average exercise price outstanding, ending (in usd per share) | $ 4.32 |
Weighted average remaining vesting period | 2 years 1 month 6 days |
Performance Shares |  |
Shares |  |
Unrecognized stock-based compensation expense | $ 0 |
Restricted Shares |  |
Nonvested restricted stock outstanding, beginning balance (in shares) | 0 |
Nonvested restricted stock granted (in shares) | 1,981,464 |
Nonvested restricted stock vested (in shares) | 0 |
Nonvested restricted stock forfeited (in shares) | 0 |
Nonvested restricted stock outstanding, ending balance (in shares) | 1,981,464 |
Weighted Average Grant Date Fair Value |  |
Weighted average exercise price outstanding, beginning (in usd per share) | $ 0 |
Weighted average exercise price outstanding, nonvested options granted (in usd per share) | 4.61 |
Weighted average exercise price outstanding, options vested (in usd per share) | 0 |
Weighted average exercise price outstanding, options forfeited (in usd per share) | 0 |
Weighted average exercise price outstanding, ending (in usd per share) | $ 4.61 |
Weighted average remaining vesting period | 0 days |

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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Remaining Vesting Period + References No definition available. + Details
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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