Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 483,390	$ 404,998
Restricted cash	19,719	17,782
Accounts receivable:
Trade, net of allowances	351,636	392,327
Other	22,326	17,970
Inventories	224,046	191,072
Other current assets	35,332	37,918
Total current assets	1,136,449	1,062,067
Property, plant and equipment, net	1,614,786	1,537,226
Intangibles, net	9,725	13,524
Investments	36,883	28,215
Restricted cash	2,178	1,945
Other assets	89,366	93,845
Total assets	2,889,387	2,736,822
Current liabilities:
Short-term borrowings and current portion of long-term debt	100,322	150,081
Trade accounts payable	470,146	443,333
Accrued expenses	204,807	178,794
Total current liabilities	775,275	772,208
Long-term debt	1,000,638	964,219
Long-term debt, related party	225,000	250,000
Pension and severance obligations	118,492	103,543
Other non-current liabilities	6,454	10,171
Total liabilities	2,125,859	2,100,141
Commitments and contingencies (see Note 16)
Amkor stockholders' equity:
Preferred stock, $0.001 par value, 10,000 shares authorized, designated Series A, none issued
Common stock, $0.001 par value, 500,000 shares authorized, 197,292 and 183,467 shares issued, and 186,256 and 183,420 shares outstanding, in 2011 and 2010, respectively	197	183
Additional paid-in capital	1,610,274	1,504,927
Accumulated deficit	(823,312)	(890,270)
Accumulated other comprehensive income	19,024	15,457
Treasury stock, at cost, 11,036 and 47 shares in 2011 and 2010, respectively	(49,899)	(284)
Total Amkor stockholders' equity:	756,284	630,013
Noncontrolling interests in subsidiaries	7,244	6,668
Total equity	763,528	636,681
Total liabilities and equity	$ 2,889,387	$ 2,736,822