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Equity Based Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
Equity Based Plans [Abstract] |
Cumulative Summary of Equity Plans | A cumulative summary of equity plans as of December 31, 2022 follows:
|  |  |  |  | Restricted |  |  | Outstanding |  |  | Stock Options |  |  | Stock Options |  |  | Shares Available |
|  | Authorized |  |  | Stock Issued |  |  | Stock Options |  |  | Exercised |  |  | Exercisable |  |  | for Grant |
Equity Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended 1999 Plan |  |  | 600,000 |  |  |  | 416,402 |  |  |  | - |  |  |  | 139,791 |  |  |  | - |  |  |  | 7,775 |
Amended 2003 Plan |  |  | 2,600,000 |  |  |  | 1,258,021 |  |  |  | - |  |  |  | 778,300 |  |  |  | - |  |  |  | 574,716 |
|  |  | 3,200,000 |  |  |  | 1,674,423 |  |  |  | - |  |  |  | 918,091 |  |  |  | - |  |  |  | 582,491 |
Restricted Stock Granted and Cancelled | During 2022, 2021 and 2020, the Company granted the following shares of restricted stock to directors, officers and employees pursuant to its equity plans as follows:
|  |  |  | Weighted Average Fair |
Year Granted |  | Number of Shares |  | Value Per Share |
2022 |  | 95,316 |  | $ | 100.08 |
2021 |  | 60,317 |  | $ | 131.29 |
2020 |  | 86,982 |  | $ | 104.69 |
During 2022, 2021 and 2020, the following shares were cancelled due to employee terminations prior to restrictions lapsing:
|  |  |  | Weighted Average Fair |
Year Cancelled |  | Number of Shares |  | Value Per Share |
2022 |  | 5,180 |  | $ | 109.42 |
2021 |  | 439 |  | $ | 113.80 |
2020 |  | 10,037 |  | $ | 102.52 |

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