0001193125-21-321619 | 10-Q | XBRL Viewer | Magnachip Semiconductor Corp

Label	Element	Value
Koreas Mandatory Retirement Age	mx_KoreasMandatoryRetirementAge	60 years
Disposal Group Including Discontinued Operation Other Income Loss	mx_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss	$ 18,000
Disposal Group Including Discontinued Operation Other Income Loss	mx_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss	66,000
Inventory Valuation Reserves Foreign Currency Translation Adjustments	mx_InventoryValuationReservesForeignCurrencyTranslationAdjustments	(328,000)
Inventory Valuation Reserves Foreign Currency Translation Adjustments	mx_InventoryValuationReservesForeignCurrencyTranslationAdjustments	(571,000)
Inventory Valuation Reserves Foreign Currency Translation Adjustments	mx_InventoryValuationReservesForeignCurrencyTranslationAdjustments	139,000
Inventory Valuation Reserves Foreign Currency Translation Adjustments	mx_InventoryValuationReservesForeignCurrencyTranslationAdjustments	(82,000)
Disposal Group Including Discontinued Operation Foreign Currency Transaction Gain Loss Before Tax	mx_DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTransactionGainLossBeforeTax	(797,000)
Disposal Group Including Discontinued Operation Foreign Currency Transaction Gain Loss Before Tax	mx_DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTransactionGainLossBeforeTax	1,277,000
Intercompany Loan	mx_IntercompanyLoan	393,235,000
Intercompany Loan	mx_IntercompanyLoan	378,852,000
Proceeds from Guarantee Deposits	mx_ProceedsFromGuaranteeDeposits	3,192,000
Proceeds from Guarantee Deposits	mx_ProceedsFromGuaranteeDeposits	891,000
Lease Liabilities	mx_LeaseLiabilities	3,884,000
Lease Liabilities	mx_LeaseLiabilities	$ 4,853,000
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2021-12
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2021-12
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2022-09
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2022-12
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2021-06
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2021-12
Derivative, Settlement End Date, Month Year	mx_DerivativeSettlementEndDateMonthYear	2021-06
Remaining Lease Term	mx_RemainingLeaseTerm	1 year
Remaining Lease Term	mx_RemainingLeaseTerm	4 years
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2021-10
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2021-10
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2022-01
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2022-01
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2021-01
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2021-07
Derivative, Settlement Start Date, Month Year	mx_DerivativeSettlementStartDateMonthYear	2021-03
Payments For Guarantee Deposits	mx_PaymentsForGuaranteeDeposits	$ 4,960,000
Payments For Guarantee Deposits	mx_PaymentsForGuaranteeDeposits	611,000
Threshold Amount Cash Collateral Foreign Currency Exposure	mx_ThresholdAmountCashCollateralForeignCurrencyExposure	500,000
Threshold Amount Cash Collateral Foreign Currency Exposure	mx_ThresholdAmountCashCollateralForeignCurrencyExposure	2,720,000
Threshold Amount Cash Collateral Foreign Currency Exposure	mx_ThresholdAmountCashCollateralForeignCurrencyExposure	0
Disposal Group Including Discontinued Operation Revenues	mx_DisposalGroupincludingDiscontinuedoperationRevenues	6,277,000
Disposal Group Including Discontinued Operation Revenues	mx_DisposalGroupincludingDiscontinuedoperationRevenues	25,887,000
Minimum Sum Of Qualified And Unrestricted Cash And Cash Equivalents	mx_MinimumSumOfQualifiedAndUnrestrictedCashAndCashEquivalents	30,000,000
Assets Reclassified To Held For Sale Assets	mx_AssetsReclassifiedToHeldForSaleAssets	694,000
Disposal Group Including Discontinued Operation Restructuring And Other Expenses	mx_DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExpenses	7,870,000
Disposal Group Including Discontinued Operation Restructuring And Other Expenses	mx_DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExpenses	10,574,000
Lease Right Of Use Asset	mx_LeaseRightOfUseAsset	3,869,000
Lease Right Of Use Asset	mx_LeaseRightOfUseAsset	4,838,000
Disposal Group Including Discontinued Operation Cost Of Goods Sold	mx_DisposalGroupIncludingDiscontinuedOperationCostOfGoodsSold	6,277,000
Disposal Group Including Discontinued Operation Cost Of Goods Sold	mx_DisposalGroupIncludingDiscontinuedOperationCostOfGoodsSold	25,887,000
Repayment Of Financing Related To Water Treatment Facility Arrangement	mx_RepaymentOfFinancingRelatedToWaterTreatmentFacilityArrangement	427,000
Repayment Of Financing Related To Water Treatment Facility Arrangement	mx_RepaymentOfFinancingRelatedToWaterTreatmentFacilityArrangement	402,000
Income Loss From Continuing Operations Allocated To Common Stockholders	mx_IncomeLossFromContinuingOperationsAllocatedToCommonStockholders	10,768,000
Income Loss From Continuing Operations Allocated To Common Stockholders	mx_IncomeLossFromContinuingOperationsAllocatedToCommonStockholders	9,890,000
Income Loss From Continuing Operations Allocated To Common Stockholders	mx_IncomeLossFromContinuingOperationsAllocatedToCommonStockholders	3,097,000
Income Loss From Continuing Operations Allocated To Common Stockholders	mx_IncomeLossFromContinuingOperationsAllocatedToCommonStockholders	(10,843,000)
Disposal Group Including Discontinued Operation Research And Development Expense	mx_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpense	5,166,000
Disposal Group Including Discontinued Operation Research And Development Expense	mx_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpense	19,484,000
Inventory reserve charged to costs of sales	mx_InventoryReserveChargedToCostsOfSales	242,000
Inventory reserve charged to costs of sales	mx_InventoryReserveChargedToCostsOfSales	5,592,000
Inventory reserve charged to costs of sales	mx_InventoryReserveChargedToCostsOfSales	3,472,000
Inventory reserve charged to costs of sales	mx_InventoryReserveChargedToCostsOfSales	6,541,000
Postemployment Benefits Translation Adjustment	mx_PostemploymentBenefitsTranslationAdjustment	(2,441,000)
Postemployment Benefits Translation Adjustment	mx_PostemploymentBenefitsTranslationAdjustment	(4,459,000)
Postemployment Benefits Translation Adjustment	mx_PostemploymentBenefitsTranslationAdjustment	1,204,000
Postemployment Benefits Translation Adjustment	mx_PostemploymentBenefitsTranslationAdjustment	(675,000)
Stock Based Compensation Discontinued Operations	mx_StockBasedCompensationDiscontinuedOperations	388,000
Postemployment Benefits Severance Payments	mx_PostemploymentBenefitsSeverancePayments	(1,936,000)
Postemployment Benefits Severance Payments	mx_PostemploymentBenefitsSeverancePayments	(4,772,000)
Postemployment Benefits Severance Payments	mx_PostemploymentBenefitsSeverancePayments	(1,295,000)
Postemployment Benefits Severance Payments	mx_PostemploymentBenefitsSeverancePayments	(4,749,000)
Inventory Valuation Reserves Changes	mx_InventoryValuationReservesChanges	(1,857,000)
Inventory Valuation Reserves Changes	mx_InventoryValuationReservesChanges	1,516,000
Inventory Valuation Reserves Changes	mx_InventoryValuationReservesChanges	1,894,000
Inventory Valuation Reserves Changes	mx_InventoryValuationReservesChanges	3,310,000
Regulatory Requests Non Recurring Professional Fees And Expenses	mx_RegulatoryRequestsNonRecurringProfessionalFeesAndExpenses	214,000
Regulatory Requests Non Recurring Professional Fees And Expenses	mx_RegulatoryRequestsNonRecurringProfessionalFeesAndExpenses	3,360,000
Provision For Severance Benefits Discontinued Operations	mx_ProvisionForSeveranceBenefitsDiscontinuedOperations	8,209,000
Sale of previously reserved inventory	mx_SaleOfPreviouslyReservedInventory	2,099,000
Sale of previously reserved inventory	mx_SaleOfPreviouslyReservedInventory	4,076,000
Sale of previously reserved inventory	mx_SaleOfPreviouslyReservedInventory	1,578,000
Sale of previously reserved inventory	mx_SaleOfPreviouslyReservedInventory	3,231,000
Finance Lease Payments	mx_FinanceLeasepayments	16,000
Finance Lease Payments	mx_FinanceLeasepayments	15,000
Finance Lease Payments	mx_FinanceLeasepayments	49,000
Finance Lease Payments	mx_FinanceLeasepayments	43,000
Less: Cumulative Contributions To Severance Insurance Deposit Accounts	mx_CumulativeContributionsToSeveranceInsuranceDepositAccounts	(12,739,000)
Less: Cumulative Contributions To Severance Insurance Deposit Accounts	mx_CumulativeContributionsToSeveranceInsuranceDepositAccounts	(12,739,000)
Less: Cumulative Contributions To Severance Insurance Deposit Accounts	mx_CumulativeContributionsToSeveranceInsuranceDepositAccounts	(1,616,000)
Less: Cumulative Contributions To Severance Insurance Deposit Accounts	mx_CumulativeContributionsToSeveranceInsuranceDepositAccounts	(1,616,000)
Discontinued Operation Transaction Costs	mx_DiscontinuedOperationTransactionCosts	10,814,000
Discontinued Operation Transaction Costs	mx_DiscontinuedOperationTransactionCosts	10,814,000
Group Severance Insurance Plan	mx_GroupSeveranceInsurancePlan	200,000
Group Severance Insurance Plan	mx_GroupSeveranceInsurancePlan	200,000
Group Severance Insurance Plan	mx_GroupSeveranceInsurancePlan	219,000
Group Severance Insurance Plan	mx_GroupSeveranceInsurancePlan	219,000
Non Recurring Professional Fees And Expenses For Treasury And Finance Initiatives	mx_NonRecurringProfessionalFeesAndExpensesForTreasuryAndFinanceInitiatives	554,000
Foreign Currency Transaction Gain Loss Before Tax Including Intercompany Balances	mx_ForeignCurrencyTransactionGainLossBeforeTaxIncludingIntercompanyBalances	(32,607,000)
Foreign Currency Transaction Gain Loss Before Tax Including Intercompany Balances	mx_ForeignCurrencyTransactionGainLossBeforeTaxIncludingIntercompanyBalances	(6,609,000)
Postemployment Benefit Payments Next Twelve Months	mx_PostemploymentBenefitPaymentsNextTwelveMonths	254,000
Cumulative Contributions To National Pension Fund	mx_CumulativeContributionsToNationalPensionFund	55,000
Cumulative Contributions To National Pension Fund	mx_CumulativeContributionsToNationalPensionFund	55,000
Cumulative Contributions To National Pension Fund	mx_CumulativeContributionsToNationalPensionFund	73,000
Cumulative Contributions To National Pension Fund	mx_CumulativeContributionsToNationalPensionFund	73,000
Gain (Loss) on Restructuring and Other	mx_GainLossOnRestructuringAndOther	(750,000)
Gain (Loss) on Restructuring and Other	mx_GainLossOnRestructuringAndOther	(490,000)
Increase Decrease In Inventory Reserve	mx_IncreaseDecreaseInInventoryReserve	1,484,000
Increase Decrease In Inventory Reserve	mx_IncreaseDecreaseInInventoryReserve	4,079,000
Accrued Outside Service Fees Current	mx_AccruedOutsideServiceFeesCurrent	1,014,000
Accrued Outside Service Fees Current	mx_AccruedOutsideServiceFeesCurrent	755,000
Restructuring And Others Current	mx_RestructuringAndOthersCurrent	750,000
Restructuring And Others Current	mx_RestructuringAndOthersCurrent	2,658,000
Interest Expense On Exchangeable Notes	mx_InterestExpenseOnExchangeableNotes	0
Interest Expense On Exchangeable Notes	mx_InterestExpenseOnExchangeableNotes	(1,429,000)
Interest Expense On Exchangeable Notes	mx_InterestExpenseOnExchangeableNotes	0
Interest Expense On Exchangeable Notes	mx_InterestExpenseOnExchangeableNotes	0
Postemployment Benefits Provisions	mx_PostemploymentBenefitsProvisions	2,007,000
Postemployment Benefits Provisions	mx_PostemploymentBenefitsProvisions	5,514,000
Postemployment Benefits Provisions	mx_PostemploymentBenefitsProvisions	2,167,000
Postemployment Benefits Provisions	mx_PostemploymentBenefitsProvisions	5,941,000
Postemployment Benefit Payments Remainder Of Fiscal Year	mx_PostemploymentBenefitPaymentsRemainderOfFiscalYear	0
Postemployment Benefit Payments Year Two	mx_PostemploymentBenefitPaymentsYearTwo	631,000
Increase Decrease In Contract with Customer Asset Unbilled Receivables	mx_IncreaseDecreaseInContractWithCustomerAssetUnbilledReceivables	(14,260,000)
Postemployment Benefit Payments Year Four	mx_PostemploymentBenefitPaymentsYearFour	1,840,000
Postemployment Benefit Payments Five Fiscal Years Thereafter	mx_PostemploymentBenefitPaymentsFiveFiscalYearsThereafter	18,701,000
Postemployment Benefit Payments Year Five	mx_PostemploymentBenefitPaymentsYearFive	2,281,000
Postemployment Benefit Payments Year Three	mx_PostemploymentBenefitPaymentsYearThree	$ 903,000

Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Schedule Of Disposal Group Not Discontinued Operation Income Statement [Line Items]
Restructuring and other charges	$ 7,870	$ 10,574

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Notes Details Discontinued Operations - Additional Information (Detail) Uncategorized Uncategorized Items - d228803d10q_htm.xml All Reports