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STOCK-BASED COMPENSATION - Summary of Share-Based Compensation Activity (Details) - $ / shares | 3 Months Ended | 24 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Restricted Stock Units |  |  |  |
Shares |  |  |  |
Unvested, beginning of period (in shares) |  | 280,460 |  |
Granted (in shares) |  | 158,615 |  |
Vested (in shares) |  | (123,150) |  |
Forfeited (in shares) |  | (4,457) |  |
Unvested, end of period (in shares) |  | 311,468 | 280,460 |
Weighted-average Grant-date Fair Value |  |  |  |
Unvested, beginning of period (in dollars per share) |  | $ 2,070 |  |
Granted (in dollars per share) |  | 2,620 |  |
Vested (in dollars per share) |  | 1,980 |  |
Forfeited (in dollars per share) |  | 2,225 |  |
Unvested, end of period (in dollars per share) |  | $ 2,384 | $ 2,070 |
Performance Share Units |  |  |  |
Shares |  |  |  |
Unvested, beginning of period (in shares) | [1] | 143,702 |  |
Granted (in shares) | [2] | 51,866 |  |
Vested (in shares) |  | (30,118) |  |
Performance shares adjustment (in shares) | [3] | 33,424 |  |
Forfeited (in shares) |  | (5,225) |  |
Unvested, end of period (in shares) |  | 193,649 | 143,702 | [1]
Weighted-average Grant-date Fair Value |  |  |  |
Unvested, beginning of period (in dollars per share) | [1] | $ 2,294 |  |
Granted (in dollars per share) | [2] | 2,679 |  |
Vested (in dollars per share) |  | 2,327 |  |
Performance shares adjustment (in dollars per share) | [3] | 2,412 |  |
Forfeited (in dollars per share) |  | 2,241 |  |
Unvested, end of period (in dollars per share) |  | $ 2,414 | $ 2,294 | [1]
Performance Share Units 2021 and 2022 Grants | Performance Share Units |  |  |  |
Weighted-average Grant-date Fair Value |  |  |  |
Performance share units awarded during the period where a grant date was not yet established. (in shares) |  |  | 14,087 |
Performance share units awarded during the period where a grant date was established. (in shares) |  | 9,688 |  |
[1] | Excludes 14,087 performance share units awarded during the years ended December 31, 2022 and 2021 for which the grant date under Accounting Standards Codification ("ASC") 718, Compensation - Stock Compensation, was not established as of December 31, 2022. Among other conditions, for the grant date to be established, a mutual understanding is required to be reached between the Company and the employee of the key terms and conditions of the award, including the performance targets. The performance targets for each of the annual performance periods under the award are set at the beginning of the respective year.
[2] | Includes 9,688 performance share units awarded during the years ended December 31, 2022 and 2021 for which the grant date under ASC 718 was established.
[3] | Probable outcome for performance-based awards is updated based upon changes in actual and forecasted operating results or expected achievement of performance goals, as applicable, and the impact of modifications.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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