Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 610,442	$ 413,048
Restricted cash	2,681	2,680
Accounts receivable:
Trade, net of allowances	382,037	389,699
Other	3,505	13,098
Inventories	200,423	227,439
Other current assets	33,328	45,444
Total current assets	1,232,416	1,091,408
Property, plant and equipment, net	2,006,553	1,819,969
Intangibles, net	3,189	4,766
Investments	105,214	38,690
Restricted cash	2,234	2,308
Other assets	77,692	68,074
Total assets	3,427,298	3,025,215
Current liabilities:
Short-term borrowings and current portion of long-term debt	61,350	0
Trade accounts payable	365,334	439,663
Accrued expenses	264,252	212,964
Total current liabilities	690,936	652,627
Long-term debt	1,516,390	1,320,000
Long-term debt, related party	75,000	225,000
Pension and severance obligations	165,073	139,379
Other non-current liabilities	14,959	21,415
Total liabilities	2,462,358	2,358,421
Commitments and contingencies (Note 19)
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, 262,109 and 197,709 shares issued, and 216,702 and 152,397 shares outstanding, in 2013 and 2012, respectively	262	198
Additional paid-in capital	1,812,530	1,614,143
Accumulated deficit	(647,348)	(756,644)
Accumulated other comprehensive (loss) income	(255)	11,241
Treasury stock, at cost, 45,407 and 45,312 shares in 2013 and 2012, respectively	(211,449)	(210,983)
Total Amkor stockholders’ equity	953,740	657,955
Noncontrolling interests in subsidiaries	11,200	8,839
Total equity	964,940	666,794
Total liabilities and equity	$ 3,427,298	$ 3,025,215