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Stock Based Compensation (Tables)

12 Months Ended

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

X

- Definition

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.

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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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