Rendering

Component: (Network and Table)
Network
2406404 - Disclosure - Share-Based Compensation Plans (Weighted Average Fair Value) (Details)
(http://www.amkor.com/role/ShareBasedCompensationPlansWeightedAverageFairValueDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001047127 (http://www.sec.gov/CIK)
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
 
 
 
Expected life (in years)
P6Y5M13D  
P5Y10M6D  
P6Y1M6D  
Risk-free interest rate
1.50%  
1.80%  
2.00%  
Volatility
48.00%  
45.00%  
57.00%  
Dividend yield
0.00%  
0.00%  
0.00%  
Weighted-average grant date fair value per option granted
2.89  
3.14  
4.46