0001325702 2021-08-18 2021-08-18 MAGNACHIP SEMICONDUCTOR Corp false 0001325702 8-K 2021-08-18 DE 001-34791 83-0406195 c/o MagnaChip Semiconductor S.A. Allée Scheffer L-2520 LU (352) 45-62-62 false false false false Common Stock, par value $0.01 per share MX NYSE false