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EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2023
EQUITY |
Schedule of shares repurchased | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Shares | ​ | Aggregate Cost | ​ | Average | ​
Year ended December 31, |  | Repurchased |  | (in thousands) |  | Repurchase Price |
2023 |  | 423,328 | ​ | $ | 14,999 | ​ | $ | 35.43 | ​
2022 |  | 23,714 | ​ | ​ | 942 | ​ | ​ | 39.70 | ​
2021 |  | 244,798 | ​ | ​ | 10,546 | ​ | ​ | 43.08 | ​
Schedule of repurchases of shares from employees to satisfy tax withholding and stock exercise obligations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Shares | ​ | Aggregate Cost | ​ | Average | ​
Year ended December 31, |  | Repurchased |  | (in thousands) |  | Repurchase Price | ​
2023 |  | 36,951 | ​ | $ | 1,473 | ​ | $ | 39.86 | ​
2022 |  | 33,401 | ​ | ​ | 1,169 | ​ | ​ | 35.01 | ​
2021 |  | 33,271 | ​ | ​ | 1,713 | ​ | ​ | 51.49 | ​
Summary of restricted stock activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | Weighted Avg. | ​
​ |  | Shares |  | Fair Value |
Unvested as of January 1, 2023 |  | 260,497 | ​ | $ | 43.86 | ​
Granted |  | 151,560 | ​ | ​ | 38.08 | ​
Forfeited |  | (9,354) | ​ | ​ | 41.95 | ​
Vested and issued |  | (118,419) | ​ | ​ | 44.99 | ​
Unvested as of December 31, 2023 |  | 284,284 | ​ | $ | 40.37 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | Weighted Avg. | ​
​ |  | Shares |  | Fair Value |
Unvested as of January 1, 2022 |  | 228,068 | ​ | $ | 51.05 | ​
Granted |  | 152,430 | ​ |  | 38.59 | ​
Forfeited |  | (12,486) | ​ |  | 46.52 | ​
Vested and issued |  | (107,515) | ​ |  | 51.33 | ​
Unvested as of December 31, 2022 |  | 260,497 | ​ | $ | 43.86 | ​
Schedule of performance stock activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | Weighted Avg.
​ |  | Shares |  | Fair Value
Unvested as of January 1, 2023 |  | 99,450 | ​ | $ | 52.54
Granted |  | 59,100 | ​ | ​ | 45.10
Forfeited |  | — | ​ | ​ | —
Vested and issued |  | — | ​ | ​ | —
Unvested as of December 31, 2023 |  | 158,550 | ​ | $ | 49.77
​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | Weighted Avg.
​ |  | Shares |  | Fair Value
Unvested as of January 1, 2022 |  | 43,000 | ​ | $ | 59.77
Granted |  | 56,450 | ​ | ​ | 47.03
Forfeited |  | — | ​ | ​ | —
Vested and issued |  | — | ​ | ​ | —
Unvested as of December 31, 2022 |  | 99,450 | ​ | $ | 52.54
Summary of stock option activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2022 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted Average | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Remaining | ​ | ​ | ​ | ​
​ | ​ | Number of | ​ | Weighted Avg. | ​ | Contractual | ​ | Aggregate | ​
​ |  | Options |  | Exercise Price |  | Term (Years) |  | Intrinsic Value |
Outstanding at January 1, 2022 |  | 5,000 | ​ | $ | 71.43 | ​ | ​ | ​ | ​ | ​ | ​
Granted | ​ | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Forfeited |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Expired |  | (5,000) | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Exercised |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Outstanding at December 31, 2022 |  | — | ​ | ​ | — | ​ | — | ​ | $ | — | ​
Vested and expected to vest as of December 31, 2022 |  | — | ​ | ​ | — | ​ | — | ​ | $ | — | ​
Exercisable at December 31, 2022 |  | — | ​ | ​ | — | ​ | — | ​ | $ | — | ​

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