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STOCK-BASED COMPENSATION - 2015 EIP Stock Options and Other (Details) - 2015 EIP Plan - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 23, 2021 | Feb. 25, 2020 | Nov. 05, 2019 | Mar. 04, 2019 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 19, 2021 | Mar. 18, 2021 | Mar. 23, 2017 | Mar. 22, 2017 | Jun. 26, 2015
Stock options |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of shares of common stock available for awards |  |  |  |  |  |  |  | 4,750,000 | 2,750,000 | 2,750,000 | 400,000 | 400,000
Nonemployee Directors |  |  |  |  |  |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |  |  |  |  |  |
Maximum annual limit for grants (in shares) |  |  |  |  |  |  |  |  |  | 500,000 |  |
Other Individuals |  |  |  |  |  |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |  |  |  |  |  |
Maximum annual limit for grants (in shares) |  |  |  |  |  |  |  |  |  | 1,000,000 |  |
Stock Options |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage of awards | 33.33% | 33.33% |  | 33.33% |  |  |  |  |  |  |  |
Vesting period | 3 years | 3 years |  | 3 years |  |  |  |  |  |  |  |
Unrecognized compensation cost |  |  |  |  |  |  |  |  |  |  |  |
Unamortized compensation cost |  |  |  |  | $ 89 |  |  |  |  |  |  |
Future amortization of stock based compensation |  |  |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  | 81 |  |  |  |  |  |  |
2024 |  |  |  |  | $ 8 |  |  |  |  |  |  |
Number of Options |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of period (in shares) |  |  |  |  | 916,287 | 837,338 | 496,148 |  |  |  |  |
Granted (in shares) | 118,552 | 344,568 |  | 240,540 |  | 118,552 | 344,568 |  |  |  |  |
Exercised (in shares) |  |  |  |  | (501,060) | (39,603) |  |  |  |  |  |
Forfeited (in shares) |  |  |  |  |  |  | (3,378) |  |  |  |  |
Outstanding at end of period (in shares) |  |  |  |  | 415,227 | 916,287 | 837,338 |  |  |  |  |
Weighted Average Exercise Price |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) |  |  |  |  | $ 9.02 | $ 8.86 | $ 10.11 |  |  |  |  |
Granted (in dollars per share) | $ 9.91 | $ 7.06 |  |  |  | 9.91 | 7.06 |  |  |  |  |
Exercised (in dollars per share) |  |  |  |  | 9.94 | 8.37 |  |  |  |  |  |
Forfeited (in dollars per share) |  |  |  |  |  |  | 8.07 |  |  |  |  |
Outstanding at end of period (in dollars per share) |  |  |  |  | 7.91 | 9.02 | 8.86 |  |  |  |  |
Weighted Average Fair Value |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) |  |  |  |  | 4.08 | 4.02 | 5.41 |  |  |  |  |
Granted (in dollars per share) | $ 4.33 | $ 2.01 |  | $ 3.76 |  | 4.33 | 2.01 |  |  |  |  |
Exercised (in dollars per share) |  |  |  |  | 5.16 | 3.46 |  |  |  |  |  |
Forfeited (in dollars per share) |  |  |  |  |  |  | 3.76 |  |  |  |  |
Outstanding at end of period (in dollars per share) |  |  |  |  | $ 2.78 | $ 4.08 | $ 4.02 |  |  |  |  |
Options outstanding and unvested |  |  |  |  | 193,891 |  |  |  |  |  |  |
Weighted Average Exercise Price Of Outstanding and Unvested Options |  |  |  |  | $ 8.22 |  |  |  |  |  |  |
Options Outstanding and Unvested, Weighted Average Remaining Contractual Life |  |  |  |  | 3 years 6 months 21 days |  |  |  |  |  |  |
Options Exercisable, Number of options |  |  |  |  | 221,336 | 488,969 | 293,792 |  |  |  |  |
Options Exercisable, Weighted Average Exercise Price |  |  |  |  | $ 7.63 | $ 9.88 | $ 10.78 |  |  |  |  |
Options Exercisable, Weighted Average Fair Value (in dollars per share) |  |  |  |  | $ 2.63 | $ 5.04 | $ 6.01 |  |  |  |  |
Options Exercisable, Weighted Average Remaining Contractual Life |  |  |  |  | 2 years 7 months 17 days |  |  |  |  |  |  |
Stock options outstanding |  |  |  |  | 415,227 | 916,287 | 837,338 |  |  |  |  |
Aggregate fair value | $ 513 | $ 693 |  | $ 904 |  |  |  |  |  |  |  |
Assumptions and Methodology |  |  |  |  |  |  |  |  |  |  |  |
Weighted average volatility rate (as a percent) | 60.91% | 53.91% |  | 55.23% |  |  |  |  |  |  |  |
Risk-free interest rate ( as a percent) | 0.41% | 1.41% |  | 2.49% |  |  |  |  |  |  |  |
Dividend rate ( as a percent) | 0.98% | 7.13% |  | 0.00% |  |  |  |  |  |  |  |
Expected life (in years) | 4 years | 4 years |  | 4 years |  |  |  |  |  |  |  |
Stock Options | General and Administrative Expense |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense |  |  |  |  | $ 278 | $ 635 | $ 787 |  |  |  |  |
Stock Options | Exercise Price - $8.065 |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Exercise Price |  |  |  |  |  |  |  |  |  |  |  |
Granted (in dollars per share) |  |  | $ 8.065 |  |  |  |  |  |  |  |  |
Stock Options | Exercise Price - $7.06 |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Exercise Price |  |  |  |  |  |  |  |  |  |  |  |
Granted (in dollars per share) |  | $ 7.06 |  |  |  |  |  |  |  |  |  |
Stock Options | Exercise Price - $9.91 |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Exercise Price |  |  |  |  |  |  |  |  |  |  |  |
Granted (in dollars per share) | $ 9.91 |  |  |  |  |  |  |  |  |  |  |

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