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STOCK BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2020
STOCK BASED COMPENSATION |
Schedule of Information on Stock Awards Exercised | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) |  | 2020 |  | 2019 |  | 2018
Total intrinsic value | ​ | $ | — | ​ | $ | — | ​ | $ | 243
Cash received | ​ |  | — | ​ |  | — | ​ |  | 118
Actual tax benefit realized for tax deductions | ​ |  | — | ​ |  | — | ​ |  | —
Schedule of Restricted Stock Awards and Units | A summary of the changes in the Company’s non-vested shares for the year follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted-Average
​ | ​ | ​ | ​ | Grant-Date
Nonvested Shares |  | Shares |  | Fair Value
Nonvested at January 1, 2020 |  | 3,500 | ​ | $ | 45.70
Granted |  | 17,100 | ​ |  | 46.13
Vested |  | (15,600) | ​ |  | 46.32
Nonvested at December 31, 2020 |  | 5,000 | ​ | $ | 45.22
​
Schedule of Nonvested Performance-based Units | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted-Average
​ | ​ | ​ | ​ | Grant-Date
Nonvested Shares |  | Shares |  | Fair Value
Nonvested at January 1, 2020 |  | 277,085 | ​ | $ | 44.86
Granted, net |  | 7,053 | ​ |  | 44.73
Vested |  | (120,204) | ​ |  | 44.91
Forfeited |  | (6,419) | ​ |  | 43.98
Nonvested at December 31, 2020 |  | 157,515 | ​ | $ | 44.85

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