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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Summary of the Company's RSU and PRSU awards | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | RSU Awards |  | PRSU Awards
​ | ​ | ​ |  | Weighted-Average | ​ | ​ |  | Weighted-Average
​ | ​ | ​ |  | Grant-Date | ​ | ​ |  | Grant-Date
​ |  | Shares |  | Fair Value |  | Shares |  | Fair Value
Non-vested awards at December 31, 2023 |  | 280,161 | ​ | $ | 21.14 |  | 77,570 | ​ | $ | 20.08
Granted |  | 217,650 | ​ |  | 16.92 |  | 67,350 | ​ |  | 16.81
Added (reduced) shares due to performance factor |  | — | ​ |  | — |  | (18,310) | ​ |  | 19.99
Vested |  | (153,715) | ​ |  | 19.89 |  | (34,890) | ​ |  | 18.92
Non-vested awards at June 30, 2024 |  | 344,096 | ​ | $ | 19.03 |  | 91,720 | ​ | $ | 18.14
Vested but unissued at June 30, 2024 |  | 198,594 | ​ | $ | 20.21 |  | 46,780 | ​ | $ | 22.51
Summary of the Phantom Stock Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Phantom Stock Plan |  | Shares |  | Fair Value | ​ | Weighted-Average Fair Value
Outstanding at December 31, 2023 |  | 180,847 | ​ | $ | 16.48 | ​ | ​ | ​
Granted |  | 10,724 | ​ | ​ | ​ | ​ | $ | 13.68
Distributions |  | (1,408) | ​ | ​ | ​ | ​ | $ | 15.96
Outstanding and vested at June 30, 2024 |  | 190,163 | ​ | $ | 13.15 | ​ | ​ | ​

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