CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 804,834	$ 959,072
Short-term investments (amortized cost of $400,792 and $283,641 in 2023 and 2022, respectively)	399,233	281,964
Accounts receivable, net of allowances	1,198,612	1,365,504
Inventories	534,477	629,576
Other current assets	61,890	65,123
Total current assets	2,999,046	3,301,239
Property, plant and equipment, net	3,309,592	3,135,614
Operating lease right of use assets	146,080	171,163
Goodwill	19,550	21,517
Restricted cash	3,428	3,334
Other assets	160,484	188,890
Total assets	6,638,180	6,821,757
Current liabilities:
Short-term borrowings and current portion of long-term debt	155,978	143,813
Trade accounts payable	701,610	899,164
Capital expenditures payable	310,387	146,602
Short-term operating lease liability	53,991	70,991
Accrued expenses	354,522	401,841
Total current liabilities	1,576,488	1,662,411
Long-term debt	975,535	1,088,521
Pension and severance obligations	88,249	93,540
Long-term operating lease liabilities	66,030	75,745
Other non-current liabilities	169,019	201,839
Total liabilities	2,875,321	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; 291,958 and 291,249 shares issued; and 245,689 and 245,091 shares outstanding in 2023 and 2022, respectively	292	291
Additional paid-in capital	2,005,055	1,996,344
Retained earnings	1,947,420	1,874,644
Accumulated other comprehensive income (loss)	1,432	16,699
Treasury stock, at cost, 46,269 and 46,158 shares in 2023 and 2022, respectively	(222,049)	(219,226)
Total Amkor stockholders’ equity	3,732,150	3,668,752
Non-controlling interests in subsidiaries	30,709	30,949
Total equity	3,762,859	3,699,701
Total liabilities and equity	$ 6,638,180	$ 6,821,757