Issuance of shares related to retention plan associated with acquisition and other share-based compensation.

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Issuance of shares related to retention plan associated with acquisition and other share-based compensation, shares

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Number of ordinary shares issued to the underwriter upon full exercise of its over-allotment option.

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Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Ten Percent Interest Shareholder Percent.

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Weighted average fair value of RSUs granted.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average grant-date fair value of options vested.

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Purchase price of common stock expressed as a percentage of its fair value.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Dec. 06, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares related to retention plan associated with acquisition and other share-based compensation				$ 672
Weighted average fair value of options granted		$ 7.94	$ 3.41	$ 3.33
Weighted average fair value of options vested		$ 3.96	$ 4.27	$ 2.45
Total intrinsic value of options exercised during the period		$ 5,009	$ 1,215	$ 361
Unrecognized compensation costs related to non-vested share-based compensation		$ 9,123
Unrecognized compensation cost, period for recognition		2 years 1 month 6 days
Issuance of ordinary shares, net of issuance expenses			$ 20,830
Weighted average fair value of RSUs/PSUs granted		$ 9.72	$ 7.32	$ 8.06
PSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of RSUs/PSUs granted		$ 10.06	$ 6.82
Stock Option Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of options, as a percent of fair market value of ordinary shares		100.00%
Purchase price of common stock, for 10% or greater interest shareholders, expressed as a percentage of its fair market value.		110.00%
Vesting period of options		3 years
Expiration period of options		6 years
Number of ordinary shares reserved for issuance in stock option plans		6,445,843
Additional number of ordinary shares reserved for issuance in stock option plans		1,595,168
Ordinary shares reserved and available for future grants		726,629
Non Qualified Options [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of options, as a percent of fair market value of ordinary shares		75.00%
Ordinary Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares related to retention plan associated with acquisition and other share-based compensation, shares				76,616
Issuance of shares related to retention plan associated with acquisition and other share-based compensation				$ 8
Issuance of ordinary shares, net of issuance expenses	$ 20,830		$ 388
Issuance of ordinary shares, net of issuance expenses, shares	3,407,450		3,407,450
Number of ordinary shares issued to the underwriter upon full exercise of its over-allotment option	444,450
Purchase price per share	$ 6.75