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STOCK-BASED COMPENSATION - 2015 EIP Performance-Based Restricted Stock Units (Details) - Performance based restricted stock units - 2015 Plan $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2024 USD ($) $ / shares shares | Feb. 21, 2024 shares | Mar. 31, 2024 USD ($) D $ / shares shares | Dec. 31, 2023 $ / shares shares
STOCK-BASED COMPENSATION |  |  |  |
Performance period |  |  | 3 years |
Stock price trading days | D |  |  | 20 |
Percentage of target metric to be achieved in order to earn percentage of the target amount of the units originally granted |  |  | 100.00% |
Percentage of target amount of units earned if target metric is achieved |  |  | 100.00% |
Number of PRSUs |  |  |  |
Balance at the beginning of the period (in shares) |  |  | 79,838 |
Granted (in shares) |  | 99,065 | 99,065 |
Balance at the end of the period (in shares) | 178,903 |  | 178,903 | 79,838
Risk-free rate of return (minimum) |  |  | 3.81% | 3.81%
Risk-free rate of return (maximum) |  |  | 4.38% | 4.38%
Expected volatility of our common stock (minimum) |  |  | 48.34% | 53.38%
Expected volatility of our common stock (maximum) |  |  | 54.53% | 54.53%
Holding period discount |  |  | 0.00% | 0.00%
Unrecognized compensation cost related to nonvested stock awards |  |  |  |
Unrecognized compensation cost | $ | $ 3,040 |  | $ 3,040 |
Weighted-average period for recognition of unrecognized compensation cost | 2 years 3 months 21 days |  |  |
General and Administrative Expense |  |  |  |
Number of PRSUs |  |  |  |
Recognized nonvested stock amortization expense | $ |  |  | $ 222 |
Minimum |  |  |  |
Number of PRSUs |  |  |  |
Closing share price of our common stock (in dollars per share) | $ / shares | $ 14.36 |  | $ 14.36 | $ 14.36
Simulation term (in years) |  |  | 2 years 6 months 14 days | 2 years 6 months 14 days
Range of target - TSR |  |  | 0.00% |
Range of target - ROIC |  |  | 0.00% |
Range of target |  |  | 0.00% | 0.00%
Maximum |  |  |  |
Number of PRSUs |  |  |  |
Closing share price of our common stock (in dollars per share) | $ / shares | $ 18.17 |  | $ 18.17 | $ 16.30
Simulation term (in years) |  |  | 2 years 10 months 9 days | 2 years 8 months 19 days
Range of target - TSR |  |  | 200.00% |
Range of target - ROIC |  |  | 200.00% |
Range of target |  |  | 200.00% | 200.00%

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