Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 547,665	$ 596,364
Restricted cash	2,559	2,000
Accounts receivable, net of allowances	797,678	798,264
Inventories	228,108	213,649
Other current assets	35,226	33,727
Total current assets	1,611,236	1,644,004
Property, plant and equipment, net	2,714,084	2,695,065
Goodwill	24,813	25,036
Restricted cash	3,896	4,487
Other assets	141,440	139,796
Total assets	4,495,469	4,508,388
Current liabilities:
Short-term borrowings and current portion of long-term debt	97,646	123,848
Trade accounts payable	548,864	569,085
Capital expenditures payable	253,756	294,258
Accrued expenses	271,067	330,868
Total current liabilities	1,171,333	1,318,059
Long-term debt	1,267,992	1,240,581
Pension and severance obligations	179,900	182,216
Other non-current liabilities	54,403	47,823
Total liabilities	2,673,628	2,788,679
Commitments and contingencies (Note 16)
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; 285,335 and 285,129 shares issued; and 239,374 and 239,184 shares outstanding in 2018 and 2017, respectively	285	285
Additional paid-in capital	1,908,171	1,903,357
Retained earnings (accumulated deficit)	84,894	(13,903)
Accumulated other comprehensive income (loss)	19,729	22,519
Treasury stock, at cost, 45,961 and 45,945 shares, in 2018 and 2017, respectively	(216,135)	(215,982)
Total Amkor stockholders’ equity	1,796,944	1,696,276
Non-controlling interests in subsidiaries	24,897	23,433
Total equity	1,821,841	1,719,709
Total liabilities and equity	$ 4,495,469	$ 4,508,388