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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2022
Share-Based Compensation |
Schedule of stock plan activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended June 30,
​ | ​ | 2022 | ​ | 2021
​ | ​ | ​ | ​ | 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 |  | 260,850 |  | $ | 21.04 | ​ | 325,030 |  | $ | 19.48
Granted |  | 94,592 |  | ​ | 19.01 | ​ | 66,664 |  | ​ | 26.63
Vested |  | (107,113) |  | ​ | 19.19 | ​ | (88,382) |  | ​ | 21.38
Forfeited or cancelled |  | (10,624) |  | ​ | 23.71 | ​ | — |  | ​ | —
Outstanding at end of period | ​ | 237,705 | ​ | $ | 20.95 | ​ | 303,312 | ​ | $ | 20.49

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