Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 380,262	$ 596,364
Restricted cash	2,000	2,000
Accounts receivable, net of allowances	795,750	798,264
Inventories	243,019	213,649
Other current assets	37,148	33,727
Total current assets	1,458,179	1,644,004
Property, plant and equipment, net	2,754,960	2,695,065
Goodwill	25,472	25,036
Restricted cash	3,503	4,487
Other assets	139,567	139,796
Total assets	4,381,681	4,508,388
Current liabilities:
Short-term borrowings and current portion of long-term debt	115,057	123,848
Trade accounts payable	553,475	569,085
Capital expenditures payable	238,772	294,258
Accrued expenses	254,348	330,868
Total current liabilities	1,161,652	1,318,059
Long-term debt	1,214,535	1,240,581
Pension and severance obligations	184,072	182,216
Other non-current liabilities	51,264	47,823
Total liabilities	2,611,523	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; 285,322 and 285,129 shares issued; and 239,366 and 239,184 shares outstanding in 2018 and 2017, respectively	285	285
Additional paid-in capital	1,906,936	1,903,357
Retained earnings (accumulated deficit)	28,232	(13,903)
Accumulated other comprehensive income (loss)	26,385	22,519
Treasury stock, at cost, 45,956 and 45,945 shares, in 2018 and 2017, respectively	(216,087)	(215,982)
Total Amkor stockholders’ equity	1,745,751	1,696,276
Non-controlling interests in subsidiaries	24,407	23,433
Total equity	1,770,158	1,719,709
Total liabilities and equity	$ 4,381,681	$ 4,508,388