Stock-Based Compensation (Tables)	12 Months Ended
Dec. 31, 2021
Stock-Based Compensation [Abstract]
Summary of Stock Option Activity	2021 2020 Weighted Weighted Average Average Average Average Exercise Intrinsic Exercise Intrinsic Options Price Value Options Price ValueOutstanding, beginning of year 215,970 $ 25.73 199,825 $ 24.78 Granted 43,500 25.80 33,750 26.93 Exercised (22,420) 17.59 (15,530) 17.25 Forfeited (10,975) 29.48 (2,075) 16.83 Outstanding, end of year 226,075 $ 26.37 $ 520 215,970 $ 25.73 $ 742,738 Exercisable, end of year 182,575 $ 26.50 $ 511 182,220 $ 25.51 $ 742,738
Schedule of Fair Value Assumptions	Years Ended December 31, 2021 2020Dividend yield 3.55% 3.55%Expected life 10 years 10 yearsExpected volatility 34.69% 34.15%Risk-free interest rate 1.51% 0.91%Weighted average fair value of options granted$ 6.49 $ 6.34
Schedule of Outstanding Stock Options	Average Average Options Exercise Remaining Options Exercise Outstanding Price Life, Years Exercisable Price 21,450 $ 18.03 1.0 21,450 $ 18.03 1,650 18.36 1.0 1,650 18.36 19,375 17.93 2.0 19,375 17.93 8,250 19.39 2.9 8,250 19.39 9,375 19.03 3.9 9,375 19.03 14,375 22.37 5.0 14,375 22.37 26,750 32.81 6.0 26,750 32.81 23,600 32.34 7.0 23,600 32.34 24,000 36.02 8.0 24,000 36.02 33,750 26.93 9.0 33,750 26.93 1,000 26.35 9.3 — — 1,000 25.38 9.5 — — 41,500 25.80 9.9 — — Total 226,075 182,575
Summary of Restricted Stock Activity	2021 2020 Weighted-Average Weighted-Average Number of Grant Date Number of Grant Date Shares Fair Value Shares Fair ValueNon-vested, beginning of year 39,135 $30.72 36,195 $31.65Granted 8,000 25.80 14,500 26.93Vested (11,205) 32.15 (11,560) 32.89Forfeited (3,900) 31.72 — —Non-vested at December 31 32,030 $26.76 39,135 $30.72

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
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-Name Accounting Standards Codification
-Topic 718
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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