CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 64,444	$ 125,469	$ 109,668	$ 296,697
Other comprehensive income (loss), net of tax:
Adjustments to net unrealized gains (losses) on available-for-sale debt investments	(510)	(630)	92	(1,707)
Adjustments to unrealized components of defined benefit pension plans	(97)	5	(195)	9
Foreign currency translation	(13,051)	(15,618)	(15,164)	(24,027)
Total other comprehensive income (loss)	(13,658)	(16,243)	(15,267)	(25,725)
Comprehensive income	50,786	109,226	94,401	270,972
Comprehensive income attributable to non-controlling interests	(158)	(691)	(31)	(1,256)
Comprehensive income attributable to Amkor	$ 50,628	$ 108,535	$ 94,370	$ 269,716