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Stock-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity | A summary of the status of the outstanding RSAs as of September 30, 2021 is presented below:
| Number of RSA Shares |  | Weighted-Average Grant-Date Fair Value
RSAs at January 1, 2021 | 51,561 |  |  | $ | 50.92 |
Granted | 50,981 |  |  | 53.92 |
Vested | (36,039) |  |  | 50.57 |
Forfeited | — |  |  | — |
RSAs at September 30, 2021 | 66,503 |  |  | $ | 53.41 |
A summary of the status of the outstanding RSUs as of September 30, 2021 is presented below:
| Number of RSU Shares |  | Weighted-Average Grant-Date Fair Value
RSUs at January 1, 2021 | 87,787 |  |  | $ | 46.62 |
Granted | 31,749 |  |  | 53.96
Performance criteria adjustment | 12,257 |  |  | 52.96
Vested | (38,897) |  |  | 52.96
Forfeited | (1,954) |  |  | 35.40
RSUs at September 30, 2021 | 90,942 |  |  | $ | 52.71 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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