CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 1,551,890	$ 1,378,347
Restricted cash	1,580	0
Short-term investments (amortized cost of $962,740 and $612,344 in 2026 and 2025, respectively)	960,272	613,038
Accounts receivable, net of allowances	1,420,353	1,354,825
Inventories	560,681	437,797
Other current assets	113,853	100,754
Total current assets	4,608,629	3,884,761
Property, plant and equipment, net	4,478,951	3,870,808
Operating lease right of use assets	84,440	93,449
Goodwill	17,356	18,003
Restricted cash	186,875	67,776
Other assets	339,863	201,512
Total assets	9,716,114	8,136,309
Current liabilities:
Short-term borrowings and current portion of long-term debt	150,781	162,430
Trade accounts payable	880,686	912,766
Capital expenditures payable	621,326	243,543
Short-term operating lease liability	22,766	23,140
Accrued expenses	447,291	370,093
Total current liabilities	2,122,850	1,711,972
Long-term debt	2,334,950	1,282,816
Pension and severance obligations	68,127	69,218
Long-term operating lease liabilities	38,943	48,549
Other non-current liabilities	464,416	517,467
Total liabilities	5,029,286	3,630,022
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; 294,562 and 293,756 shares issued; and 247,986 and 247,303 shares outstanding in 2026 and 2025, respectively	295	294
Additional paid-in capital	2,025,469	2,054,051
Retained earnings	2,842,719	2,627,038
Accumulated other comprehensive income (loss)	15,107	16,833
Treasury stock, at cost, 46,576 and 46,453 shares in 2026 and 2025, respectively	(233,178)	(227,110)
Total Amkor stockholders’ equity	4,650,412	4,471,106
Non-controlling interests in subsidiaries	36,416	35,181
Total equity	4,686,828	4,506,287
Total liabilities and equity	$ 9,716,114	$ 8,136,309

Amount owed for capital expenditures.

No definition available.

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Namespace Prefix:	amkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).