Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 596,364,000	$ 549,518,000
Restricted cash	2,000,000	2,000,000
Accounts receivable, net of allowances of $6,946 and $9,902, respectively	692,287,000	563,107,000
Inventories	326,492,000	267,990,000
Other current assets	33,727,000	27,081,000
Total current assets	1,650,870,000	1,409,696,000
Property, plant and equipment, net	2,695,065,000	2,564,648,000
Goodwill	25,036,000	24,122,000
Restricted cash	4,487,000	3,977,000
Other assets	146,051,000	89,643,000
Total assets	4,521,509,000	4,092,086,000
Current liabilities:
Short-term borrowings and current portion of long-term debt	123,848,000	35,192,000
Trade accounts payable	569,085,000	487,430,000
Capital expenditures payable	294,258,000	144,370,000
Accrued expenses	374,598,000	338,669,000
Total current liabilities	1,361,789,000	1,005,661,000
Long-term debt	1,240,581,000	1,364,638,000
Long-term debt, related party	0	75,000,000
Pension and severance obligations	182,216,000	166,701,000
Other non-current liabilities	46,144,000	76,682,000
Total liabilities	2,830,730,000	2,688,682,000
Commitments and contingencies (Note 17)
Amkor stockholders’ equity:
Preferred stock, $0.001 par value, 10,000 shares authorized, designated Series A, none issued	0	0
Common stock, $0.001 par value, 500,000 shares authorized, 285,129 and 284,479 shares issued, and 239,184 and 238,665 shares outstanding, respectively	285,000	284,000
Additional paid-in capital	1,903,357,000	1,895,089,000
Accumulated deficit	(42,851,000)	(303,557,000)
Accumulated other comprehensive income (loss)	22,519,000	6,262,000
Treasury stock, at cost, 45,945 and 45,814 shares, respectively	(215,982,000)	(214,490,000)
Total Amkor stockholders’ equity	1,667,328,000	1,383,588,000
Noncontrolling interests in subsidiaries	23,451,000	19,816,000
Total equity	1,690,779,000	1,403,404,000
Total liabilities and equity	$ 4,521,509,000	$ 4,092,086,000