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EARNINGS PER COMMON SHARE - Shares of common stock underlying RSUs (Details) - RSUs - shares | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  |  |  | 248,112 | 241,076
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  |  |  | 103,326 | 120,519
Number of shares in diluted weighted average number of shares pursuant to stockholder return metric |  |  |  | 42,625 | 37,494
Total |  |  |  | 145,951 | 158,013
Common shares not included in calculation due applicable metric had not been met at measurement dates |  |  |  | 102,161 | 83,063
Number of shares vested |  | 39,811 | 74,988 | 39,811 | 74,988
Number of shares forfeited |  | 39,811 | 38 | 39,811 | 38
Performance cycle |  |  |  | 3 years |
July 1, 2023 |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  |  |  | 85,250 |
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  |  |  | 26,750 |
Number of shares in diluted weighted average number of shares pursuant to stockholder return metric |  |  |  | 42,625 |
Total |  |  |  | 69,375 |
Common shares not included in calculation due applicable metric had not been met at measurement dates |  |  |  | 15,875 |
July 1, 2022 |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  |  |  | 83,240 | 85,350
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  |  |  | 36,765 | 42,675
Total |  |  |  | 36,765 | 42,675
Common shares not included in calculation due applicable metric had not been met at measurement dates |  |  |  | 46,475 | 42,675
August 3, 2021 |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  |  |  | 79,622 | 80,700
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  |  |  | 39,811 | 40,350
Total |  |  |  | 39,811 | 40,350
Common shares not included in calculation due applicable metric had not been met at measurement dates |  |  |  | 39,811 | 40,350
Number of shares vested |  |  |  | 39,811 |
Number of shares forfeited |  |  |  | 39,811 |
August 3, 2020 |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  |  |  |  | 75,026
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  |  |  |  | 37,494
Number of shares in diluted weighted average number of shares pursuant to stockholder return metric |  |  |  |  | 37,494
Total |  |  |  |  | 74,988
Common shares not included in calculation due applicable metric had not been met at measurement dates |  |  |  |  | 38
Number of shares vested | 74,988 |  |  |  |
Number of shares forfeited | 38 |  |  |  |

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