Shareholders' Equity (Details 3)	12 Months Ended
Dec. 31, 2020 $ / shares shares
Options outstanding \| shares	30,498
Weighted average remaining contractual life outstanding	4 years 6 months 11 days
Weighted average exercise price per share outstanding	$ 14.69
Options exercisable \| shares	21,123
Weighted average exercise price per share exercisable	$ 15.15
Exercise Price Range One
Ranges of exercise prices lower	8.26
Ranges of exercise prices upper	$ 13.65
Options outstanding \| shares	18,799
Weighted average remaining contractual life outstanding	6 years 1 month 13 days
Weighted average exercise price per share outstanding	$ 12.36
Options exercisable \| shares	9,424
Weighted average exercise price per share exercisable	$ 11.07
Exercise Price Range Two
Ranges of exercise prices lower	15.54
Ranges of exercise prices upper	$ 21.63
Options outstanding \| shares	11,699
Weighted average remaining contractual life outstanding	1 year 11 months 19 days
Weighted average exercise price per share outstanding	$ 18.43
Options exercisable \| shares	11,699
Weighted average exercise price per share exercisable	$ 18.43

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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 (g)
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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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-Publisher FASB
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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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