The total number of outstanding options for that are in the money and for which intrinsic value was calculated.

No definition available.

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- Definition

The total number of outstanding options for that are out for the money and for which intrinsic value was calculated.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The weighted average fair value at grant date for nonvested equity-based awards issued 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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- Definition

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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No definition available.

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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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-Publisher FASB
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- Definition

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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Amount of stock repurchase plan authorized.

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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 31, 2019	May 31, 2018	Apr. 30, 2017
Treasury stock, at cost [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of shares, authorized amount				$ 40,000	$ 40,000	$ 40,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Stock Option Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ordinary shares reserved for future issuance	33,312,967
In-the-money options outstanding	3,579,879	3,983,216
Intrinsic value of options exercised	$ 1,125,612	$ 1,112,589	$ 2,068,522
Out-of-the-money options outstanding	718,400	871,987
Weighted-average grant-date fair value of options granted	$ 5.54	$ 6.67	$ 4.31
Total unrecognized compensation costs	$ 7,614
Unrecognized compensation costs, period of recognition	1 year 6 months 14 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Total unrecognized compensation costs	$ 16,008
Unrecognized compensation costs, period of recognition	1 year 7 months 13 days
Weighted average fair value at grant date of non-vested shares	$ 23.41	$ 23.82	$ 16.24