|
Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Amkor stockholders’ equity: | ||
| Preferred stock designated Series A, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Preferred stock designated Series A, shares authorized | 10,000 | 10,000 |
| Preferred stock designated Series A, shares issued | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 500,000 | 500,000 |
| Common stock, shares issued | 282,439 | 282,231 |
| Common stock, shares outstanding | 236,804 | 236,627 |
| Treasury stock, shares | 45,635 | 45,604 |