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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2023
Share-Based Compensation |
Schedule of stock plan activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended June 30,
​ | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | Weighted- | ​ | ​ | ​ | Weighted-
​ | ​ | ​ |  | Average Grant | ​ | ​ | ​ | Average Grant
​ |  | Awards |  | Date Fair Value |  | Awards |  | Date Fair Value
Restricted Stock and Restricted Stock Unit Awards |  | ​ |  | ​ | ​ | ​ | ​ |  | ​ | ​
Outstanding at beginning of period |  | 238,929 |  | $ | 23.66 | ​ | 260,850 |  | $ | 21.04
Granted |  | 82,810 |  | ​ | 20.85 | ​ | 94,592 |  | ​ | 19.01
Vested |  | (91,867) |  | ​ | 21.29 | ​ | (107,113) |  | ​ | 19.19
Forfeited or cancelled |  | (22,204) |  | ​ | 21.39 | ​ | (10,624) |  | ​ | 23.71
Outstanding at end of period | ​ | 207,668 | ​ | $ | 23.83 | ​ | 237,705 | ​ | $ | 20.95

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