Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 624,084	$ 826,744
Restricted cash	0	962
Short-term investments (amortized cost of $310,594 and $251,959 in 2022 and 2021, respectively)	308,063	251,530
Accounts receivable, net of allowances	1,550,517	1,258,767
Inventories	669,297	484,959
Other current assets	49,185	33,601
Total current assets	3,201,146	2,856,563
Property, plant and equipment, net	3,087,061	2,871,058
Operating lease right of use assets	168,778	159,742
Goodwill	19,492	24,516
Restricted cash	3,235	3,815
Other assets	214,212	122,860
Total assets	6,693,924	6,038,554
Current liabilities:
Short-term borrowings and current portion of long-term debt	123,521	153,008
Trade accounts payable	927,527	828,727
Capital expenditures payable	287,936	210,875
Short-term operating lease liability	69,161	64,233
Accrued expenses	381,012	422,892
Total current liabilities	1,789,157	1,679,735
Long-term debt	1,001,544	984,988
Pension and severance obligations	104,206	120,472
Long-term operating lease liabilities	73,776	83,937
Other non-current liabilities	206,398	196,876
Total liabilities	3,175,081	3,066,008
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; 290,966 and 290,466 shares issued; and 244,811 and 244,315 shares outstanding in 2022 and 2021, respectively	291	290
Additional paid-in capital	1,991,045	1,977,134
Retained earnings	1,728,740	1,163,939
Accumulated other comprehensive income (loss)	(13,583)	19,978
Treasury stock, at cost, 46,155 and 46,151 shares in 2022 and 2021, respectively	(219,147)	(219,065)
Total Amkor stockholders’ equity	3,487,346	2,942,276
Non-controlling interests in subsidiaries	31,497	30,270
Total equity	3,518,843	2,972,546
Total liabilities and equity	$ 6,693,924	$ 6,038,554