CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 67,258	$ 64,444	$ 127,044	$ 109,668
Other comprehensive income (loss), net of tax:
Adjustments to net unrealized gains (losses) on available-for-sale debt investments	(211)	(510)	(519)	92
Adjustments to unrealized components of defined benefit pension plans	(85)	(97)	(170)	(195)
Foreign currency translation	(2,400)	(13,051)	(11,447)	(15,164)
Total other comprehensive income (loss)	(2,696)	(13,658)	(12,136)	(15,267)
Comprehensive income	64,562	50,786	114,908	94,401
Comprehensive (income) loss attributable to non-controlling interests	(361)	(158)	(1,250)	(31)
Comprehensive income attributable to Amkor	$ 64,201	$ 50,628	$ 113,658	$ 94,370