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Shareholders' Equity (Details 1)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number outstanding | shares	381,910
Number exercisable | shares	274,008
Stock Option [Member] | 11.12-14.52 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price, Minimum	$ 11.12
Exercise price, Maximum	$ 14.52
Number outstanding | shares	243,358
Weighted average exercise price	$ 11.90
Weighted average remaining contractual life	1 year 2 months 1 day
Number exercisable | shares	202,533
Weighted average exercise price	$ 11.90
Weighted average remaining contractual life	1 year 1 month 6 days
Stock Option [Member] | 18.90-19.85 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price, Minimum	$ 18.90
Exercise price, Maximum	$ 19.85
Number outstanding | shares	138,552
Weighted average exercise price	$ 19.39
Weighted average remaining contractual life	2 years 5 months 16 days
Number exercisable | shares	71,475
Weighted average exercise price	$ 19.38
Weighted average remaining contractual life	2 years 4 months 24 days

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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.

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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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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.

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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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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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