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Stock Based Compensation (Details) - Stock Options [Member]	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Number of options:
Number of Options outstanding, beginning | shares	58,129
Options granted | shares	13,500
Options exercised | shares	(12,381)
Options forfeited or expired | shares	(1,500)
Number of Options outstanding, ending | shares	57,748
Number of Options exercisable | shares	45,748
Weighted Average Exercise Price:
Weighted Average Exercise Price of Options outstanding, beginning | $ / shares	$ 22.41
Options granted | $ / shares	27.25
Options exercised | $ / shares	21.64
Options forfeited or expired | $ / shares	27.25
Weighted Average Exercise Price of Options outstanding, ending | $ / shares	23.39
Weighted Average Exercise Price of Options exercisable | $ / shares	$ 22.38

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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