Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Equity (Schedule of Stock-based Compensation) (Details)

v3.19.1
Equity (Schedule of Stock-based Compensation) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total stock-based compensation expenses $ 4,229 $ 3,415
Cost of sales [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total stock-based compensation expenses 354 387
Research and development, net [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total stock-based compensation expenses 759 742
Selling, general and administrative [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total stock-based compensation expenses $ 3,116 $ 2,286