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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2024
STOCK-BASED COMPENSATION |
Schedule of activity related to stock options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | ​ | ​ |  | Weighted- |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | Remaining | ​ | Aggregate
​ | ​ | Number of | ​ | Average Exercise | ​ | Contractual | ​ | Intrinsic
(Dollars in thousands except share and per share amounts) |  | Options |  | Price |  | Years |  | Value
Options outstanding at January 1, 2024 | ​ | 26,995 | ​ | $ | 35.39 | ​ | 5.2 | ​ | ​ | —
Options exercised | ​ | — | ​ |  | — | ​ | ​ | ​ | ​ | ​
Options forfeited | ​ | — | ​ |  | — | ​ | ​ | ​ | ​ | ​
Options outstanding at December 31, 2024 |  | 26,995 | ​ | $ | 35.39 |  | 4.2 | ​ | $ | —
Options vested and exercisable at December 31, 2024 |  | 26,995 | ​ | $ | 35.39 |  | 4.2 | ​ | $ | —
Schedule of information related to stock option plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(In thousands) | ​ | 2024 |  | 2023 |  | 2022
Cash received for option exercise cost | ​ | $ | — | ​ | $ | — | ​ | $ | —
Income tax (expense) benefit recognized on stock option exercises | ​ |  | — | ​ |  | — | ​ |  | —
Intrinsic value of options exercised | ​ |  | — | ​ |  | — | ​ |  | —
Schedule of exercise prices and weighted-average remaining contractual lives of both outstanding and vested options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Outstanding Options | Vested Options
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | Average
​ | ​ | Number | ​ | Contractual | ​ | Number | ​ | Contractual
​ | ​ | of | ​ | Years | ​ | of | ​ | Years
​ |  | Options |  | Remaining |  | Options |  | Remaining
Exercise Prices: |  |  |  |  |  |  |  |
$34.87 |  | 10,061 |  | 5.1 |  | 10,061 |  | 5.1
$35.35 |  | 9,802 |  | 4.1 |  | 9,802 |  | 4.1
$36.19 |  | 7,132 |  | 3.1 |  | 7,132 |  | 3.1
Total |  | 26,995 |  | 4.2 |  | 26,995 |  | 4.2
Schedule of activity related to restricted stock awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | Number of | ​ | Grant-Date
​ |  | Shares |  | Fair Value
Unvested allocated shares outstanding at January 1, 2024 | ​ | 356,795 | ​ | $ | 26.88
Shares granted |  | 319,924 | ​ |  | 20.62
Shares vested | ​ | (170,540) | ​ | ​ | 26.98
Shares forfeited |  | (35,943) | ​ |  | 24.15
Unvested allocated shares outstanding at December 31, 2024 |  | 470,236 | ​ | $ | 22.79
Schedule of information related to restricted stock award plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(In thousands) | ​ | ​ | 2024 |  | ​ | 2023 |  | ​ | 2022
Compensation expense recognized | ​ | $ | 5,780 | ​ | $ | 4,003 | ​ | $ | 3,516
Income tax expense recognized on vesting of RSAs | ​ |  | (317) | ​ |  | (188) | ​ |  | (10)
Performance shares | Long Term Incentive Award Program |
STOCK-BASED COMPENSATION |
Schedule of activity related to performance based equity awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | Number of | ​ | Grant-Date
​ |  | Shares |  | Fair Value
Maximum aggregate share payout at January 1, 2024 | ​ | 222,240 | ​ | $ | 20.64
Shares granted |  | 96,049 | ​ |  | 18.61
Shares forfeited | ​ | (47,054) | ​ | ​ | 24.75
Shares vested | ​ | (12,371) | ​ | ​ | 29.97
Maximum aggregate share payout at December 31, 2024 |  | 258,864 | ​ | $ | 18.69
Minimum aggregate share payout |  | — | ​ | ​ | —
Expected aggregate share payout |  | 248,381 | ​ | $ | 18.35
Schedule of information related to performance based share award plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(In thousands) | ​ | 2024 |  | 2023 |  | 2022
Compensation expense recognized | ​ | $ | 910 | ​ | $ | 635 | ​ | $ | 760
Income tax (expense) benefit recognized on vesting of PSAs | ​ |  | (52) | ​ |  | — | ​ |  | 193

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