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STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Additional disclosures |  |
Stock based compensation expense, net of forfeitures | $ 797 | $ 789
Restricted Stock |  |
STOCK-BASED COMPENSATION |  |
Weighted average market value (in dollars per share) | $ 31.63 |
Service period over which value of the shares is amortized to compensation expense | 3 years |
Number of Non-vested Restricted Shares |  |
Outstanding at beginning of period (in shares) | 357,342 |
Awarded (in shares) | 94,985 |
Vested (in shares) | (57,855) |
Forfeited (in shares) | (9,620) |
Outstanding at end of period (in shares) | 384,852 |
Additional disclosures |  |
Stock based compensation expense, net of forfeitures | $ 797 | $ 789
Restricted Stock | Performance based vesting |  |
Number of Non-vested Restricted Shares |  |
Awarded (in shares) | 62,672 |

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