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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Stock Based Compensation [Abstract] |
Summary of Stock Option Activity |
| 2022 |  | 2021
|  |  | Weighted |  |  |  |  |  | Weighted |  |
|  |  | Average |  | Average |  |  |  | Average |  | Average
|  |  | Exercise |  | Intrinsic |  |  |  | Exercise |  | Intrinsic
| Options |  | Price |  | Value |  | Options |  | Price |  | Value
Outstanding, beginning of year | 226,075 |  | $ | 26.37 |  |  |  |  | 215,970 |  | $ | 25.73 |  |  |
Granted | 38,000 |  |  | 33.53 |  |  |  |  | 43,500 |  |  | 25.80 |  |  |
Exercised | (34,425) |  |  | 19.08 |  |  |  |  | (22,420) |  |  | 17.59 |  |  |
Forfeited | (10,675) |  |  | 27.56 |  |  |  |  | (10,975) |  |  | 29.48 |  |  |
Outstanding, end of year | 218,975 |  | $ | 26.70 |  | $ | 1,100 |  | 226,075 |  | $ | 26.37 |  | $ | 520
Exercisable, end of year | 180,975 |  | $ | 27.68 |  | $ | 1,100 |  | 182,575 |  | $ | 26.50 |  | $ | 511
Schedule of Fair Value Assumptions |
| Years Ended December 31,
| 2022 |  | 2021
Dividend yield |  | 3.57% |  |  | 3.55%
Expected life |  | 10 years |  |  | 10 years
Expected volatility |  | 35.01% |  |  | 34.69%
Risk-free interest rate |  | 3.87% |  |  | 1.51%
Weighted average fair value of options granted | $ | 10.06 |  | $ | 6.49
Schedule of Outstanding Stock Options |
|  |  | Average |  |  |  |  |  | Average
| Options |  | Exercise |  | Remaining |  | Options |  | Exercise
| Outstanding |  | Price |  | Life, Years |  | Exercisable |  | Price
| 11,125 |  | $ | 17.93 |  | 1.0 |  | 11,125 |  | $ | 17.93
| 8,250 |  |  | 19.39 |  | 1.9 |  | 8,250 |  |  | 19.39
| 9,375 |  |  | 19.03 |  | 2.9 |  | 9,375 |  |  | 19.03
| 12,125 |  |  | 22.37 |  | 4.0 |  | 12,125 |  |  | 22.37
| 25,250 |  |  | 32.81 |  | 5.0 |  | 25,250 |  |  | 32.81
| 22,100 |  |  | 32.34 |  | 6.0 |  | 22,100 |  |  | 32.34
| 22,500 |  |  | 36.02 |  | 7.0 |  | 22,500 |  |  | 36.02
| 30,750 |  |  | 26.93 |  | 8.0 |  | 30,750 |  |  | 26.93
| 1,000 |  |  | 26.35 |  | 8.3 |  | 1,000 |  |  | 26.35
| 1,000 |  |  | 25.38 |  | 8.5 |  | 1,000 |  |  | 25.38
| 37,500 |  |  | 25.80 |  | 9.0 |  | 37,500 |  |  | 25.80
| 38,000 |  |  | 33.53 |  | 10.0 |  | — |  |  | —
Total | 218,975 |  |  |  |  |  |  | 180,975 |  |  |
Summary of Restricted Stock Activity |
|  | 2022 |  | 2021
|  |  |  | Weighted-Average |  |  |  | Weighted-Average
|  | Number of |  | Grant Date |  | Number of |  | Grant Date
|  | Shares |  | Fair Value |  | Shares |  | Fair Value
Non-vested, beginning of year |  | 32,030 |  | $26.76 |  | 39,135 |  | $30.72
Granted |  | 23,000 |  | 30.25 |  | 8,000 |  | 25.80
Vested |  | (10,570) |  | 30.89 |  | (11,205) |  | 32.15
Forfeited |  | — |  | — |  | (3,900) |  | 31.72
Non-vested at December 31 |  | 44,460 |  | $30.12 |  | 32,030 |  | $26.76

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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