CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 735,733	$ 959,072
Short-term investments (amortized cost of $440,417 and $283,641 in 2023 and 2022, respectively)	439,002	281,964
Accounts receivable, net of allowances	1,411,393	1,365,504
Inventories	477,935	629,576
Other current assets	61,579	65,123
Total current assets	3,125,642	3,301,239
Property, plant and equipment, net	3,321,467	3,135,614
Operating lease right of use assets	129,515	171,163
Goodwill	18,888	21,517
Restricted cash	3,950	3,334
Other assets	135,387	188,890
Total assets	6,734,849	6,821,757
Current liabilities:
Short-term borrowings and current portion of long-term debt	149,890	143,813
Trade accounts payable	827,854	899,164
Capital expenditures payable	233,603	146,602
Short-term operating lease liability	43,830	70,991
Accrued expenses	346,913	401,841
Total current liabilities	1,602,090	1,662,411
Long-term debt	947,227	1,088,521
Pension and severance obligations	88,326	93,540
Long-term operating lease liabilities	59,004	75,745
Other non-current liabilities	160,103	201,839
Total liabilities	2,856,750	3,122,056
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; 292,033 and 291,249 shares issued; and 245,764 and 245,091 shares outstanding in 2023 and 2022, respectively	292	291
Additional paid-in capital	2,005,026	1,996,344
Retained earnings	2,061,596	1,874,644
Accumulated other comprehensive income (loss)	1,839	16,699
Treasury stock, at cost, 46,269 and 46,158 shares in 2023 and 2022, respectively	(222,065)	(219,226)
Total Amkor stockholders’ equity	3,846,688	3,668,752
Non-controlling interests in subsidiaries	31,411	30,949
Total equity	3,878,099	3,699,701
Total liabilities and equity	$ 6,734,849	$ 6,821,757