Employee Benefit Plans (Schedule of Stock Option Activity) (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Employee Benefit Plans [Abstract]
Outstanding at beginning of year, Shares	113,756	125,026
Exercised, Shares	(20,609)	(5,170)
Forfeited, Shares		(6,100)
Outstanding at end of year, Shares	93,147	113,756
Options exercisable at year-end, Shares	92,147	110,911
Outstanding at beginning of year, Weighted average exercise price	$ 17.76	$ 17.91
Exercised, Weighted average exercise price	17.66	17.47
Forfeited, Weighted average exercise price		21.10
Outstanding at end of year, Weighted average exercise price	$ 17.78	$ 17.76
Intrinsic value of options exercised during the year	$ 43,135	$ 15,240
Intrinsic value of options outstanding and exercisable at December 31, 2019	$ 144,656

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. 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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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of share options (or share units) exercised during the current period.

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