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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Schedule of Treasury Stock Activity | Activity in treasury stock is as follows for the years ended December 31,:
| 2022 |  | 2021
| Shares |  | Amount |  | Shares |  | Amount
Balance, beginning of year | 1,557,054 |  |  | $ | 38,148 |  |  | 1,557,054 |  |  | $ | 38,148 |
Purchases | — |  |  | — |  |  | — |  |  | — |
Issuances | (1,557,054) |  |  | (38,148) |  |  | — |  |  | — |
Balance, end of year | — |  |  | $ | — |  |  | 1,557,054 |  |  | $ | 38,148 |
Schedule of Assumptions | A summary of the assumptions is as follows at December 31,:
|  |  | 2021 |  | 2020
Expected volatility |  |  | 33.00 | % |  | 33.00 | %
Expected term (in years) |  |  | 6.25 |  | 6.25
Expected dividends |  |  | — | % |  | — | %
Risk-free rate |  |  | 1.11 | % |  | 0.49 | %
Schedule of Stock Option Activity | The following table presents a summary of stock option activity under the 2017 Plan, and changes during the years ended December 31,:
| Shares |  | Weighted-Average Exercise Price, per Share |  | Weighted-Average Remaining Contractual Term (years)
2022 |  |  |  |  |
Outstanding, beginning of period | 1,412,900 |  |  | $ | 20.19 |  |  |
Exercised | (104,985) |  |  | 19.72 |  |  |
Granted | — |  |  | — |  |  |
Forfeited | — |  |  | — |  |  |
Outstanding, end of period | 1,307,915 |  |  | $ | 20.23 |  |  | 5.26
Options vested or expected to vest | 1,307,915 |  |  | $ | 20.23 |  |  |
Options exercisable, end of period | 1,191,032 |  |  | $ | 20.03 |  |  | 5.05
2021 |  |  |  |  |
Outstanding, beginning of period | 1,428,940 |  |  | $ | 19.97 |  |  |
Granted | 26,336 |  |  | 32.54 |  |  |
Forfeited | (42,376) |  |  | 20.33 |  |  |
Outstanding, end of period | 1,412,900 |  |  | $ | 20.19 |  |  | 6.46
Options vested or expected to vest | 1,412,900 |  |  | $ | 20.19 |  |  |
Options exercisable, end of period | 1,166,887 |  |  | $ | 19.89 |  |  | 6.13
The following table presents options assumed in the Pioneer merger and the activity from merger date through December 31, 2022:
| Shares |  | Weighted-Average Exercise Price, per Share |  | Weighted-Average Remaining Contractual Term (years)
December 31, 2022 |  |  |  |  |
Outstanding, beginning of period | — |  |  | $ | — |  |  |
Options assumed from Pioneer Bancshares, Inc. | 431,645 |  |  | 23.32 |  |  |
Exercised | (259,890) |  |  | 23.40 |  |  |
Forfeited | (1,044) |  |  | 24.90 |  |  |
Outstanding, vested, and exercisable, end of period | 170,711 |  |  | $ | 23.19 |  |  | 5.62

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