Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

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

v3.19.3.a.u2
Equity (Schedule of Stock-based Compensation) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Total stock-based compensation expenses $ 20,564 $ 15,686 $ 17,722
Cost Of Sales [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Total stock-based compensation expenses 1,848 1,474 2,580
Research and Development, Net [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Total stock-based compensation expenses 5,167 3,215 3,503
Selling, General and Administrative Expenses [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Total stock-based compensation expenses $ 13,549 $ 10,997 $ 11,639