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Equity Based Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity Based Plans [Abstract] |
Cumulative Summary of Equity Plans | A cumulative summary of equity plans as of December 31, 2021 follows:
|  | Authorized |  |  | Restricted Stock Issued |  |  | Outstanding Stock Options |  |  | Stock Options Exercised |  |  | Stock Options Exercisable |  |  | Shares Available for Grant |
Equity Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended 1999 Plan |  |  | 600,000 |  |  |  | 416,402 |  |  |  | - |  |  |  | 139,791 |  |  |  | - |  |  |  | 7,775 |
Amended 2003 Plan |  |  | 2,100,000 |  |  |  | 1,166,855 |  |  |  | - |  |  |  | 778,300 |  |  |  | - |  |  |  | 164,882 |
|  |  | 2,700,000 |  |  |  | 1,583,257 |  |  |  | - |  |  |  | 918,091 |  |  |  | - |  |  |  | 172,657 |
Restricted Stock Granted and Cancelled | During 2021, 2020 and 2019, the Company granted the following shares of restricted stock to directors, officers and employees pursuant to its equity plans as follows:
Year Granted |  | Number of Shares |  | Weighted Average Fair Value Per Share |
2021 |  | 60,317 |  | $ | 131.29 |
2020 |  | 86,982 |  | $ | 104.69 |
2019 |  | 91,682 |  | $ | 104.85 |
During 2021, 2020 and 2019, the following shares were cancelled due to employee terminations prior to restrictions lapsing:
Year Cancelled |  | Number of Shares |  | Weighted Average Fair Value Per Share |
2021 |  | 439 |  | $ | 113.80 |
2020 |  | 10,037 |  | $ | 102.52 |
2019 |  | 1,578 |  | $ | 87.88 |

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