XML 95 R81.htm IDEA: XBRL DOCUMENT v3.19.1
SHAREHOLDERS' EQUITY (Schedule of Equity-Based Compensation Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Stock-based compensation expenses $ 67,223 $ 56,980 $ 40,547
Cost of revenues [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Stock-based compensation expenses 11,000 11,337 7,878
Research and development, net [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Stock-based compensation expenses 7,363 9,038 5,676
Selling and marketing [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Stock-based compensation expenses 27,455 23,107 16,403
General and administrative expense [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Stock-based compensation expenses $ 21,405 $ 13,498 $ 10,590