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STOCK-BASED COMPENSATION - 2015 EIP Restricted Stock Units (Details) - 2015 EIP Plan - Restricted Stock Units - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |
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Jun. 16, 2023 | May 16, 2023 | Apr. 14, 2023 | Apr. 03, 2023 | Mar. 10, 2023 | Feb. 21, 2023 | May 16, 2022 | Feb. 23, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Stock Awards |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares outstanding in respect of RSUs |  |  |  |  |  |  |  |  | 798,904 |  | 798,904 |  | 612,300
Number of Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at the beginning of the period (in shares) |  |  |  |  |  |  |  |  |  |  | 641,972 |  |
Granted (in shares) | 3,917 | 43,729 | 75,920 | 1,630 | 2,948 | 68,758 | 27,331 | 201,934 |  |  | 211,441 |  |
Vested (in shares) |  |  |  |  |  |  |  |  |  |  | (230,842) |  |
Forfeited (in shares) |  |  |  |  |  |  |  |  |  |  | (49,322) |  |
Balance at the end of the period (in shares) |  |  |  |  |  |  |  |  | 573,249 |  | 573,249 |  |
Number of shares vested |  |  |  |  |  |  |  |  | 288,158 |  | 288,158 |  |
Weighted Average Grant Date Price, Vested |  |  |  |  |  |  |  |  | $ 12.35 |  | $ 12.35 |  |
Weighted Average Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at the beginning of the period (in dollars per share) |  |  |  |  |  |  |  |  |  |  | 15.74 |  |
Granted (in dollars per share) |  |  |  |  |  |  |  |  |  |  | 16.27 |  |
Vested (in dollars per share) |  |  |  |  |  |  |  |  |  |  | 14.35 |  |
Forfeited (in dollars per share) |  |  |  |  |  |  |  |  |  |  | 16.42 |  |
Balance at the end of the period (in dollars per share) |  |  |  |  |  |  |  |  | $ 16.43 |  | $ 16.43 |  |
Weighted Average Remaining Contractual Life |  |  |  |  |  |  |  |  |  |  | 1 year 7 months 9 days |  |
Additional disclosures |  |  |  |  |  |  |  |  |  |  |  |  |
Total fair value of shares vested |  |  |  |  |  |  |  |  |  |  | $ 4,075 | $ 3,837 |
Unrecognized compensation cost related to nonvested stock awards |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation cost |  |  |  |  |  |  |  |  | $ 5,406 |  | $ 5,406 |  |
Weighted-average period for recognition of unrecognized compensation cost |  |  |  |  |  |  |  |  |  |  | 1 year 7 months 9 days |  |
General and Administrative Expense |  |  |  |  |  |  |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized nonvested stock amortization expense |  |  |  |  |  |  |  |  | $ 1,243 | $ 785 | $ 3,848 | $ 2,133 |
Other Individuals. | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Awards |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting/Performance period |  |  |  |  |  |  |  |  |  |  | 3 years |  |
Other Individuals. | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Awards |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting/Performance period |  |  |  |  |  |  |  |  |  |  | 5 years |  |

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