0001325702 2023-05-19 2023-05-19 false 0001325702 8-K 2023-05-19 Magnachip Semiconductor Corporation DE 001-34791 83-0406195 c/o Magnachip Semiconductor, Ltd. 15F, 76 Jikji-daero 436beon-gil, Heungdeok-gu Cheongju-si Chungcheongbuk-do 28581 KR 82 6903-3000 false false false false Common Stock, par value $0.01 per share MX NYSE false