CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 1,365,511	$ 1,471,539
Cost of sales	1,163,868	1,277,118
Gross profit	201,643	194,421
Selling, general and administrative	90,346	78,671
Research and development	38,171	47,047
Total operating expenses	128,517	125,718
Operating income	73,126	68,703
Interest expense	16,439	16,167
Other (income) expense, net	(15,295)	(3,552)
Total other expense, net	1,144	12,615
Income before taxes	71,982	56,088
Income tax expense	12,196	10,864
Net income	59,786	45,224
Net (income) loss attributable to non-controlling interests	(889)	127
Net income attributable to Amkor	$ 58,897	$ 45,351
Net income attributable to Amkor per common share:
Basic (in dollars per share)	$ 0.24	$ 0.18
Diluted (in dollars per share)	$ 0.24	$ 0.18
Shares used in computing per common share amounts:
Basic (in shares)	246,008	245,330
Diluted (in shares)	247,614	247,087