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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Employee Benefit Plans |
Schedule of grants of share-based awards | The following grants of share-based awards were made in 2024 under the 2005 Incentive Plan: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Grant Date | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Fair Value | ​ | ​
Date of Grant |  | Award Type |  | Shares/Units |  | Per Share/Unit |  | Vesting Period/Vesting Date
January 1, 2024 (1) |  | RSU |  | 375,730 | ​ | $ | 10.28 |  | 33% per year over three years
January 1, 2024 (1) |  | PSU |  | 351,410 | ​ | $ | 12.30 |  | 100% on December 31, 2026
January 1, 2024 (2) |  | Restricted stock |  | 5,776 | ​ | $ | 10.28 |  | 100% on January 1, 2026
April 1, 2024 (2) |  | Restricted stock |  | 2,595 | ​ | $ | 10.84 |  | 100% on January 1, 2026
July 1, 2024 (2) |  | Restricted stock |  | 2,356 | ​ | $ | 11.94 |  | 100% on January 1, 2026
October 1, 2024 (2) |  | Restricted stock |  | 2,534 | ​ | $ | 11.10 |  | 100% on January 1, 2026
December 11, 2024 (2) |  | Restricted stock |  | 89,286 | ​ | $ | 10.08 |  | 100% on December 11, 2025
(1) | Reflects grants to certain officers including our executive officers.
(2) | Reflects grants to certain independent members of our Board.
Summary of information about restricted stock | The following table summarizes information about our restricted stock: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | 2024 | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | Grant Date | ​ | ​ | ​ | Grant Date | ​ | ​ | ​ | Grant Date
​ |  | Shares |  | Fair Value (1) |  | Shares |  | Fair Value (1) |  | Shares |  | Fair Value (1)
Awards outstanding at beginning of year |  | 193,129 | ​ | $ | 7.52 |  | 387,628 | ​ | $ | 6.70 |  | 853,726 | ​ | $ | 5.62
Granted |  | 102,547 | ​ |  | 10.18 |  | 148,224 | ​ |  | 8.68 |  | 253,358 | ​ |  | 5.33
Vested (2) |  | (146,947) | ​ |  | 7.25 |  | (342,723) | ​ |  | 7.10 |  | (719,456) | ​ |  | 4.94
Forfeited |  | (34,398) | ​ |  | 8.70 |  | — | ​ |  | — |  | — | ​ |  | —
Awards outstanding at end of year |  | 114,331 | ​ | $ | 9.90 |  | 193,129 | ​ | $ | 7.52 |  | 387,628 | ​ | $ | 6.70
(1) | Represents the weighted average grant date fair value, which is based on the quoted closing market price of our common stock on the trading day prior to the date of grant.
(2) | During the years ended December 31, 2024, 2023 and 2022, total fair value of vested restricted stock was $1.5 million, $2.9 million and $2.9 million, respectively.
Summary of information about PSU awards | The following table summarizes information about our PSU awards: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31,
​ | ​ | 2024 | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | Grant Date | ​ | ​ | ​ | Grant Date | ​ | ​ | ​ | Grant Date
​ |  | Units |  | Fair Value (1) |  | Units |  | Fair Value (1) |  | Units |  | Fair Value (1)
PSU awards outstanding at beginning of year |  | 2,007,584 | ​ | $ | 5.71 |  | 1,888,024 | ​ | $ | 6.25 |  | 1,381,469 | ​ | $ | 8.34
Granted |  | 351,410 | ​ |  | 12.30 |  | 489,498 | ​ |  | 9.26 |  | 1,065,705 | ​ |  | 4.25
Vested (2) |  | (452,381) | ​ |  | 5.33 |  | (369,938) | ​ |  | 13.15 |  | (559,150) | ​ |  | 7.60
PSU awards outstanding at end of year |  | 1,906,613 | ​ | $ | 7.01 |  | 2,007,584 | ​ | $ | 5.71 |  | 1,888,024 | ​ | $ | 6.25
(1) | Represents the weighted average grant date fair value.
(2) | During the years ended December 31, 2024, 2023 and 2022, our 2021, 2020 and 2019 PSU awards vested at 818,812 shares, 285,778 shares and 876,469 shares, respectively, of our common stock with a total market value of $8.4 million, $3.6 million and $3.2 million, respectively.
Summary of information about RSU awards | The following table summarizes information about our RSU awards: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31,
​ | ​ | 2024 | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | Grant Date | ​ | ​ | ​ | Grant Date | ​ | ​ | ​ | Grant Date
​ |  | Units |  | Fair Value (1) |  | Units |  | Fair Value (1) |  | Units |  | Fair Value (1)
RSU awards outstanding at beginning of year |  | 1,367,702 | ​ | $ | 4.82 |  | 1,367,294 | ​ | $ | 3.36 |  | 452,381 | ​ | $ | 4.20
Granted |  | 375,730 | ​ |  | 10.28 |  | 506,436 | ​ |  | 7.38 |  | 1,065,705 | ​ |  | 3.12
Vested |  | (674,840) | ​ |  | 4.43 |  | (506,028) | ​ |  | 3.44 |  | (150,792) | ​ |  | 4.20
RSU awards outstanding at end of year |  | 1,068,592 | ​ | $ | 6.98 |  | 1,367,702 | ​ | $ | 4.82 |  | 1,367,294 | ​ | $ | 3.36
(1) | Represents the weighted average grant date fair value, which is based on the quoted closing market price of our common stock on the trading day prior to the date of grant.

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