Rendering

Component: (Network and Table)
Network
2406405 - Disclosure - Share-Based Compensation Plans (Restricted Shares) (Details)
(http://www.amkor.com/role/ShareBasedCompensationPlansRestrictedSharesDetails)
TableSchedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001047127 (http://www.sec.gov/CIK)
Award Type [Axis]Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
 
Number of Shares Nonvested beginning balance
385,000  
Number of Shares Awards granted
50,000  
Number of Shares Awards vested
(285,000) 
Number of Shares Awards forfeited
(5,000) 
Number of Shares Nonvested ending balance
145,000  
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
 
Weighted Average Grant-Date Fair Value Nonvested beginning balance (in dollars per share)
4.78  
Weighted Average Grant-Date Fair Value Awards granted (in dollars per share)
5.66  
Weighted Average Grant-Date Fair Value Awards vested (in dollars per share)
4.82  
Weighted Average Grant-Date Fair Value Awards forfeited (in dollars per share)
4.43  
Weighted Average Grant-Date Fair Value Nonvested ending balance (in dollars per share)
5.02