CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,118,004	$ 1,119,818
Short-term investments (amortized cost of $454,767 and $474,663 in 2.024 and 2023, respectively)	454,669	474,869
Accounts receivable, net of allowances	1,093,960	1,149,493
Inventories	331,070	393,128
Other current assets	47,312	58,502
Total current assets	3,045,015	3,195,810
Property, plant and equipment, net	3,367,434	3,299,445
Operating lease right of use assets	106,873	117,006
Goodwill	18,641	20,003
Restricted cash	781	799
Other assets	146,322	138,062
Total assets	6,685,066	6,771,125
Current liabilities:
Short-term borrowings and current portion of long-term debt	112,968	131,624
Trade accounts payable	618,378	754,453
Capital expenditures payable	234,762	106,368
Short-term operating lease liability	27,112	33,616
Accrued expenses	309,976	358,414
Total current liabilities	1,303,196	1,384,475
Long-term debt	1,038,346	1,071,832
Pension and severance obligations	79,647	87,133
Long-term operating lease liabilities	52,924	56,837
Other non-current liabilities	180,345	175,813
Total liabilities	2,654,458	2,776,090
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; 292,494 and 292,167 shares issued; and 246,154 and 245,888 shares outstanding in 2.024 and 2023, respectively	292	292
Additional paid-in capital	2,014,782	2,008,170
Retained earnings	2,199,300	2,159,831
Accumulated other comprehensive income (loss)	6,910	16,350
Treasury stock, at cost, 46,340 and 46,279 shares in 2.024 and 2023, respectively	(224,157)	(222,335)
Total Amkor stockholders’ equity	3,997,127	3,962,308
Non-controlling interests in subsidiaries	33,481	32,727
Total equity	4,030,608	3,995,035
Total liabilities and equity	$ 6,685,066	$ 6,771,125