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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-based Payment Arrangement [Abstract] |
Schedule of stock-based compensation expense |
|  | For the years ended December 31, |
(dollars in thousands) |  | 2022 |  |  | 2021 |  |  | 2020 |
Stock option expense |  | $ | 927 |  |  |  | 1,148 |  |  |  | 1,017 |
Restricted stock grant expense |  |  | 1,099 |  |  |  | 499 |  |  |  | 380 |
Total stock-based compensation expense |  | $ | 2,026 |  |  |  | 1,647 |  |  |  | 1,397 |
Schedule of the status of the stock option plan and changes |
|  | For the years ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  | Weighted |  |  | Average |  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |  | Weighted |  |  | Average |
|  |  |  |  | average |  |  | Remaining |  |  |  |  |  | average |  |  | Remaining |  |  |  |  |  | average |  |  | Remaining |
|  |  |  |  | exercise |  |  | Contractual |  |  |  |  |  | exercise |  |  | Contractual |  |  |  |  |  | exercise |  |  | Contractual |
|  | Shares |  |  | price |  |  | Life |  |  | Shares |  |  | price |  |  | Life |  |  | Shares |  |  | price |  |  | Life |
Outstanding at beginning of year |  |  | 464,724 |  |  | $ | 33.97 |  |  |  |  |  |  |  | 495,195 |  |  | $ | 29.93 |  |  |  |  |  |  |  | 541,414 |  |  | $ | 26.65 |  |  |  |  |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  | 121,000 |  |  |  | 40.45 |  |  |  |  |  |  |  | 101,700 |  |  |  | 37.77 |  |  |  |  |
Exercised |  |  | (32,375 | ) |  |  | 27.94 |  |  |  |  |  |  |  | (127,871 | ) |  |  | 23.56 |  |  |  |  |  |  |  | (93,870 | ) |  |  | 14.79 |  |  |  |  |
Forfeited or expired |  |  | (5,125 | ) |  |  | 43.14 |  |  |  |  |  |  |  | (23,600 | ) |  |  | 38.88 |  |  |  |  |  |  |  | (54,049 | ) |  |  | 38.15 |  |  |  |  |
Outstanding at end of year |  |  | 427,224 |  |  | $ | 34.32 |  |  |  | 5.7 years |  |  |  | 464,724 |  |  | $ | 33.97 |  |  |  | 6.6 years |  |  |  | 495,195 |  |  | $ | 29.93 |  |  |  | 6.4 years |
Options exercisable at year-end |  |  | 287,902 |  |  | $ | 32.35 |  |  |  | 4.8 years |  |  |  | 239,340 |  |  | $ | 29.68 |  |  |  | 5.0 years |  |  |  | 287,548 |  |  | $ | 24.93 |  |  |  | 5.0 years |
Weighted average fair value of options granted during the year |  |  |  |  |  | $ | - |  |  |  |  |  |  |  |  |  |  | $ | 16.40 |  |  |  |  |  |  |  |  |  |  | $ | 11.37 |  |  |  |  |
Shares available for grant |  |  | 370,824 |  |  |  |  |  |  |  |  |  |  |  | 422,550 |  |  |  |  |  |  |  |  |  |  |  | 136,339 |  |  |  |  |  |  |  |  |
Schedule of assumptions used |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Dividend yield |  |  | n/a |  |  |  | - |  |  |  | - |
Expected life |  |  | n/a |  |  |  | 7 years |  |  |  | 7 years |
Expected volatility |  |  | n/a |  |  |  | 38.48 | % |  |  | 25.51 | %
Risk-free interest rate |  |  | n/a |  |  |  | 0.74 | % |  |  | 1.29 | %
Schedule of the status of the company's non vested restricted stock and changes |
|  | December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  | Restricted Shares |  |  | Weighted Average Grant-Date Fair Value |  |  | Restricted Shares |  |  | Weighted Average Grant-Date Fair Value |  |  | Restricted Shares |  |  | Weighted Average Grant-Date Fair Value |
Nonvested at beginning of year |  |  | 41,699 |  |  | $ | 44.71 |  |  |  | 26,099 |  |  | $ | 38.05 |  |  |  | 32,825 |  |  | $ | 34.78 |
Granted |  |  | 53,376 |  |  |  | 56.25 |  |  |  | 26,450 |  |  |  | 48.56 |  |  |  | 13,200 |  |  |  | 39.87 |
Vested |  |  | (14,213 | ) |  |  | 43.26 |  |  |  | (9,600 | ) |  |  | 38.03 |  |  |  | (14,051 | ) |  |  | 32.06 |
Forfeited |  |  | (525 | ) |  |  | 61.14 |  |  |  | (1,250 | ) |  |  | 38.56 |  |  |  | (5,875 | ) |  |  | 37.74 |
Nonvested at end of year |  |  | 80,337 |  |  | $ | 52.53 |  |  |  | 41,699 |  |  | $ | 44.71 |  |  |  | 26,099 |  |  | $ | 38.05 |

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