Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,055,402	$ 681,569
Restricted cash	2,589	2,589
Accounts receivable, net of allowances	684,914	724,456
Inventories	227,502	230,589
Other current assets	32,522	32,005
Total current assets	2,002,929	1,671,208
Property, plant and equipment, net	2,564,177	2,650,448
Operating lease right of use asset	122,982	0
Goodwill	25,449	25,720
Restricted cash	2,929	3,893
Other assets	128,720	144,178
Total assets	4,847,186	4,495,447
Current liabilities:
Short-term borrowings and current portion of long-term debt	638,702	114,579
Trade accounts payable	459,383	530,398
Capital expenditures payable	123,737	255,237
Accrued expenses	245,796	258,209
Total current liabilities	1,467,618	1,158,423
Long-term debt	1,215,262	1,217,732
Pension and severance obligations	181,826	184,321
Long-term operating lease liability	73,876	0
Other non-current liabilities	76,022	79,071
Total liabilities	3,014,604	2,639,547
Commitments and contingencies (Note 15)
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; 285,430 and 285,352 shares issued; and 239,458 and 239,385 shares outstanding in 2019 and 2018, respectively	285	285
Additional paid-in capital	1,911,179	1,909,425
Retained earnings	90,310	113,189
Accumulated other comprehensive income (loss)	21,456	23,812
Treasury stock, at cost, 45,972 and 45,967 shares, in 2019 and 2018, respectively	(216,219)	(216,171)
Total Amkor stockholders’ equity	1,807,011	1,830,540
Non-controlling interests in subsidiaries	25,571	25,360
Total equity	1,832,582	1,855,900
Total liabilities and equity	$ 4,847,186	$ 4,495,447