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SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2019
Stockholders' Equity Note [Abstract] |
Schedule of Assumptions Used to Determine Fair Value of Options Granted | The fair value of the Company's stock options granted to employees and directors for the years ended December 31, 2019, 2018 and 2017 was estimated using the following assumptions:
| 2019 |  | 2018 |  | 2017
Expected volatility | 19.44%-21.54% |  | 21.23%-21.83% |  | 21.69%-22.90%
Risk free interest rate | 1.43%-2.55% |  | 2.42%-3.04% |  | 1.53%-2.00%
Expected dividend | — |  |  | — |  |  | —% |
Expected term (in years) | 3.5 |  | 3.5 |  | 3.5
Schedule of Stock Option Activity | A summary of the Company's stock options activity and related information for the year ended December 31, 2019, is as follows:
| Number of options |  | Weighted-average exercise price |  | Weighted- average remaining contractual term (in years) |  | Aggregate intrinsic value
Outstanding at January 1, 2019 | 1,184,847 |  |  | 19.82 |  |  | 4.47 |  | 104,731 |
Granted | 368,375 |  |  | 17.86 |  |  |  |  |
Exercised | 319,860 |  |  | 16.46 |  |  |  |  |
Cancelled | 2,765 |  |  | 25.70 |  |  |  |  |
Forfeited | 121,161 |  |  | 1.20 |  |  |  |  |
Outstanding at December 31, 2019 | 1,109,436 |  |  | 22.16 |  |  | 4.35 |  | 147,545 |
Exercisable at December 31, 2019 | 425,433 |  |  | 40.08 |  |  | 3.27 |  | 48,955 |
Schedule of Options Outstanding by Exercise Price Range | The options outstanding under the Company's stock option plans as of December 31, 2019 have been separated into ranges of exercise price as follows:
Ranges of exercise price |  |  | Options outstanding as of December 31, 2019 |  | Weighted average remaining contractual term |  | Weighted average exercise price |  | Options exercisable as of December 31, 2019 |  | Weighted average exercise price of options exercisable
|  |  |  |  | (Years) |  | $ |  |  |  | $
$ |  | 0.29 |  |  | 810,121 |  |  | 4.56 |  | 0.28 |  |  | 197,163 |  |  | 0.28 |
$ |  | 6.72-9.89 |  | 2,983 |  |  | 4.07 |  | 7.20 |  |  | 2,983 |  |  | 7.20 |
$ | 12.45-17.72 |  | 398 |  |  | 0.66 |  | 14.86 |  |  | 398 |  |  | 14.86 |
$ |  | 336.02-48.48 |  | 50,899 |  |  | 4.13 |  | 40.72 |  |  | 34,106 |  |  | 41.16 |
$ | 54.95-80.76 |  | 143,780 |  |  | 2.85 |  | 71.32 |  |  | 134,079 |  |  | 71.05 |
$ | 85.104-151.63 |  | 101,255 |  |  | 4.95 |  | 118.55 |  |  | 56,704 |  |  | 106.52 |
|  |  | 1,109,436 |  |  | 4.47 |  | 19.82 |  |  | 425,433 |  |  | 36.24 |
Schedule of Restricted Stock Units Activity | A summary of the Company's RSU and the Company's RSA activities and related information for the year ended December 31, 2019, is as follows:
| Number of RSU and RSA (*)
Outstanding at January 1, 2019 | 1,759,070 |
Granted | 545,819 |
Vested | (649,556) |
Forfeited | (118,284) |
Outstanding at December 31, 2019 | 1,537,049 |
(*)NIS 1 par value which represents approximately $0.29
Schedule of Allocated Share-Based Compensation Expense | The total equity-based compensation expense related to all of the Company's equity-based awards, recognized for the years ended December 31, 2019, 2018 and 2017, was comprised as follows:
| Year ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
Cost of revenues | $ | 11,244 |  |  | $ | 11,000 |  |  | $ | 11,337 |
Research and development, net | 9,239 |  |  | 7,363 |  |  | 9,038 |
Selling and marketing | 26,650 |  |  | 27,455 |  |  | 23,107 |
General and administrative | 34,897 |  |  | 21,405 |  |  | 13,498 |
Total stock-based compensation expenses | $ | 82,030 |  |  | $ | 67,223 |  |  | $ | 56,980 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References 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 (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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