2.4.0.8 Html 249 312 1 true 92 0 false 12 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.herculesoffshore.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 1001000 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.herculesoffshore.com/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS false false R3.htm 1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.herculesoffshore.com/role/ConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R4.htm 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.herculesoffshore.com/role/ConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS false false R5.htm 1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.herculesoffshore.com/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS false false R6.htm 1005001 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) Sheet http://www.herculesoffshore.com/role/ConsolidatedStatementsOfCashFlowsParenthetical CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) false false R7.htm 2101100 - Disclosure - General Sheet http://www.herculesoffshore.com/role/General General false false R8.htm 2102100 - Disclosure - Supplemental Financial Information Sheet http://www.herculesoffshore.com/role/SupplementalFinancialInformation Supplemental Financial Information false false R9.htm 2103100 - Disclosure - Earnings Per Share Sheet http://www.herculesoffshore.com/role/EarningsPerShare Earnings Per Share false false R10.htm 2105100 - Disclosure - Business Combinations Sheet http://www.herculesoffshore.com/role/BusinessCombinations Business Combinations false false R11.htm 2106100 - Disclosure - Dispositions and Discontinued Operations Sheet http://www.herculesoffshore.com/role/DispositionsAndDiscontinuedOperations Dispositions and Discontinued Operations false false R12.htm 2107100 - Disclosure - Debt Sheet http://www.herculesoffshore.com/role/Debt Debt false false R13.htm 2108100 - Disclosure - Derivative Instruments Sheet http://www.herculesoffshore.com/role/DerivativeInstruments Derivative Instruments false false R14.htm 2109100 - Disclosure - Fair Value Measurements Sheet http://www.herculesoffshore.com/role/FairValueMeasurements Fair Value Measurements false false R15.htm 2110100 - Disclosure - Long-Term Incentive Awards Sheet http://www.herculesoffshore.com/role/LongTermIncentiveAwards Long-Term Incentive Awards false false R16.htm 2111100 - Disclosure - Income Taxes Sheet http://www.herculesoffshore.com/role/IncomeTaxes Income Taxes false false R17.htm 2112100 - Disclosure - Segments Sheet http://www.herculesoffshore.com/role/Segments Segments false false R18.htm 2113100 - Disclosure - Commitments and Contingencies Sheet http://www.herculesoffshore.com/role/CommitmentsAndContingencies Commitments and Contingencies false false R19.htm 2114100 - Disclosure - Accounting Pronouncements Sheet http://www.herculesoffshore.com/role/AccountingPronouncements Accounting Pronouncements false false R20.htm 2115100 - Disclosure - Subsequent Events Sheet http://www.herculesoffshore.com/role/SubsequentEvents Subsequent Events false false R21.htm 2201201 - Disclosure - General (Policies) Sheet http://www.herculesoffshore.com/role/GeneralPolicies General (Policies) false false R22.htm 2302301 - Disclosure - Supplemental Financial Information (Tables) Sheet http://www.herculesoffshore.com/role/SupplementalFinancialInformationTables Supplemental Financial Information (Tables) false false R23.htm 2303301 - Disclosure - Earnings Per Share (Tables) Sheet http://www.herculesoffshore.com/role/EarningsPerShareTables Earnings Per Share (Tables) false false R24.htm 2305301 - Disclosure - Business Combinations (Tables) Sheet http://www.herculesoffshore.com/role/BusinessCombinationsTables Business Combinations (Tables) false false R25.htm 2306301 - Disclosure - Dispositions and Discontinued Operations (Tables) Sheet http://www.herculesoffshore.com/role/DispositionsAndDiscontinuedOperationsTables Dispositions and Discontinued Operations (Tables) false false R26.htm 2307301 - Disclosure - Debt (Tables) Sheet http://www.herculesoffshore.com/role/DebtTables Debt (Tables) false false R27.htm 2308301 - Disclosure - Derivative Instruments (Tables) Sheet http://www.herculesoffshore.com/role/DerivativeInstrumentsTables Derivative Instruments (Tables) false false R28.htm 2309301 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) false false R29.htm 2312301 - Disclosure - Segments (Tables) Sheet http://www.herculesoffshore.com/role/SegmentsTables Segments (Tables) false false R30.htm 2401402 - Disclosure - General Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/GeneralAdditionalInformationDetail General Additional Information (Detail) false false R31.htm 2402402 - Disclosure - Supplemental Financial Information - Supplemental Consolidated Balance Sheet Information (Details) Sheet http://www.herculesoffshore.com/role/SupplementalFinancialInformationSupplementalConsolidatedBalanceSheetInformationDetails Supplemental Financial Information - Supplemental Consolidated Balance Sheet Information (Details) false false R32.htm 2402403 - Disclosure - Supplemental Financial Information - Schedule of Equity Changes (Details) Sheet http://www.herculesoffshore.com/role/SupplementalFinancialInformationScheduleOfEquityChangesDetails Supplemental Financial Information - Schedule of Equity Changes (Details) false false R33.htm 2402405 - Disclosure - Supplemental Financial Information - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/SupplementalFinancialInformationAdditionalInformationDetail Supplemental Financial Information - Additional Information (Detail) false false R34.htm 2403402 - Disclosure - Earnings Per Share - Schedule of Calculation of Numerator and Denominator in Earnings Per Share (Detail) Sheet http://www.herculesoffshore.com/role/EarningsPerShareScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareDetail Earnings Per Share - Schedule of Calculation of Numerator and Denominator in Earnings Per Share (Detail) false false R35.htm 2403403 - Disclosure - Earnings Per Share - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/EarningsPerShareAdditionalInformationDetail Earnings Per Share - Additional Information (Detail) false false R36.htm 2405402 - Disclosure - Business Combinations - Components Transferred (Details) Sheet http://www.herculesoffshore.com/role/BusinessCombinationsComponentsTransferredDetails Business Combinations - Components Transferred (Details) false false R37.htm 2405403 - Disclosure - Business Combinations - Allocation of the Consideration (Details) Sheet http://www.herculesoffshore.com/role/BusinessCombinationsAllocationOfConsiderationDetails Business Combinations - Allocation of the Consideration (Details) false false R38.htm 2405404 - Disclosure - Business Combinations - Proforma Financial Information (Details) Sheet http://www.herculesoffshore.com/role/BusinessCombinationsProformaFinancialInformationDetails Business Combinations - Proforma Financial Information (Details) false false R39.htm 2405405 - Disclosure - Business Combinations - Proforma Information, Revenue and Earnings of Acquiree Since Acquisition Date, Actual (Details) Sheet http://www.herculesoffshore.com/role/BusinessCombinationsProformaInformationRevenueAndEarningsOfAcquireeSinceAcquisitionDateActualDetails Business Combinations - Proforma Information, Revenue and Earnings of Acquiree Since Acquisition Date, Actual (Details) false false R40.htm 2405406 - Disclosure - Business Combinations - Additional Information (Details) Sheet http://www.herculesoffshore.com/role/BusinessCombinationsAdditionalInformationDetails Business Combinations - Additional Information (Details) false false R41.htm 2406402 - Disclosure - Dispositions and Discontinued Operations Information Related to the Sale of Several of the Company's Assets (Details) Sheet http://www.herculesoffshore.com/role/DispositionsAndDiscontinuedOperationsInformationRelatedToSaleOfSeveralOfCompanysAssetsDetails Dispositions and Discontinued Operations Information Related to the Sale of Several of the Company's Assets (Details) false false R42.htm 2406403 - Disclosure - Dispositions and Discontinued Operations Discontinued Operations Income Statement and Balance Sheet Disclosures (Detail) Sheet http://www.herculesoffshore.com/role/DispositionsAndDiscontinuedOperationsDiscontinuedOperationsIncomeStatementAndBalanceSheetDisclosuresDetail Dispositions and Discontinued Operations Discontinued Operations Income Statement and Balance Sheet Disclosures (Detail) false false R43.htm 2406404 - Disclosure - Dispositions and Discontinued Operations Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/DispositionsAndDiscontinuedOperationsAdditionalInformationDetail Dispositions and Discontinued Operations Additional Information (Detail) false false R44.htm 2407402 - Disclosure - Debt - Schedule of Debt (Detail) Sheet http://www.herculesoffshore.com/role/DebtScheduleOfDebtDetail Debt - Schedule of Debt (Detail) false false R45.htm 2407403 - Disclosure - Debt - Components of Debt (Parenthetical) (Detail) Sheet http://www.herculesoffshore.com/role/DebtComponentsOfDebtParentheticalDetail Debt - Components of Debt (Parenthetical) (Detail) false false R46.htm 2407404 - Disclosure - Debt - Redemption Price Percentages (Details) Sheet http://www.herculesoffshore.com/role/DebtRedemptionPricePercentagesDetails Debt - Redemption Price Percentages (Details) false false R47.htm 2407405 - Disclosure - Debt - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/DebtAdditionalInformationDetail Debt - Additional Information (Detail) false false R48.htm 2408402 - Disclosure - Derivative Instruments - Fair Values of Derivatives, Balance Sheet Classification (Detail) Sheet http://www.herculesoffshore.com/role/DerivativeInstrumentsFairValuesOfDerivativesBalanceSheetClassificationDetail Derivative Instruments - Fair Values of Derivatives, Balance Sheet Classification (Detail) false false R49.htm 2408403 - Disclosure - Derivative Instruments - Effect of Derivatives on Consolidated Statements of Operations (Detail) Sheet http://www.herculesoffshore.com/role/DerivativeInstrumentsEffectOfDerivativesOnConsolidatedStatementsOfOperationsDetail Derivative Instruments - Effect of Derivatives on Consolidated Statements of Operations (Detail) false false R50.htm 2408404 - Disclosure - Derivative Instruments - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/DerivativeInstrumentsAdditionalInformationDetail Derivative Instruments - Additional Information (Detail) false false R51.htm 2409402 - Disclosure - Fair Value Measurements - Assumptions for Determining Fair Value of Derivatives Using Monte Carlo Simulation (Detail) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsAssumptionsForDeterminingFairValueOfDerivativesUsingMonteCarloSimulationDetail Fair Value Measurements - Assumptions for Determining Fair Value of Derivatives Using Monte Carlo Simulation (Detail) false false R52.htm 2409403 - Disclosure - Fair Value Measurements - Assumptions for Determining Fair Value of Derivatives Using Monte Carlo Simulation (Parenthetical) (Detail) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsAssumptionsForDeterminingFairValueOfDerivativesUsingMonteCarloSimulationParentheticalDetail Fair Value Measurements - Assumptions for Determining Fair Value of Derivatives Using Monte Carlo Simulation (Parenthetical) (Detail) false false R53.htm 2409404 - Disclosure - Fair Value Measurements - Assets Measured at Fair Value on Recurring Basis (Detail) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsAssetsMeasuredAtFairValueOnRecurringBasisDetail Fair Value Measurements - Assets Measured at Fair Value on Recurring Basis (Detail) false false R54.htm 2409405 - Disclosure - Fair Value Measurements - Assets Measured at Fair Value on Non-Recurring Basis (Detail) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsAssetsMeasuredAtFairValueOnNonRecurringBasisDetail Fair Value Measurements - Assets Measured at Fair Value on Non-Recurring Basis (Detail) false false R55.htm 2409406 - Disclosure - Fair Value Measurements - Carrying Value and Fair Value of Company's Long-Term Debt Instruments (Detail) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsCarryingValueAndFairValueOfCompanysLongTermDebtInstrumentsDetail Fair Value Measurements - Carrying Value and Fair Value of Company's Long-Term Debt Instruments (Detail) false false R56.htm 2409407 - Disclosure - Fair Value Measurements - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/FairValueMeasurementsAdditionalInformationDetail Fair Value Measurements - Additional Information (Detail) false false R57.htm 2410401 - Disclosure - Long-Term Incentive Awards - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/LongTermIncentiveAwardsAdditionalInformationDetail Long-Term Incentive Awards - Additional Information (Detail) false false R58.htm 2411401 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/IncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) false false R59.htm 2412402 - Disclosure - Segments - Information Regarding Reportable Segments (Detail) Sheet http://www.herculesoffshore.com/role/SegmentsInformationRegardingReportableSegmentsDetail Segments - Information Regarding Reportable Segments (Detail) false false R60.htm 2412403 - Disclosure - Segments - Information Regarding Reportable Segments (Parenthetical) (Details) Sheet http://www.herculesoffshore.com/role/SegmentsInformationRegardingReportableSegmentsParentheticalDetails Segments - Information Regarding Reportable Segments (Parenthetical) (Details) false false R61.htm 2412404 - Disclosure - Segments - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/SegmentsAdditionalInformationDetail Segments - Additional Information (Detail) false false R62.htm 2413401 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.herculesoffshore.com/role/CommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) false false R63.htm 2415401 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://www.herculesoffshore.com/role/SubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) false false All Reports Book All Reports Element hero_LossOnDebtRetirement had a mix of decimals attribute values: -5 -3. Element us-gaap_AssetImpairmentCharges had a mix of decimals attribute values: -5 -3. Element us-gaap_InsuredEventGainLoss had a mix of decimals attribute values: -5 -3. Element us-gaap_PaymentsToAcquirePropertyPlantAndEquipment had a mix of decimals attribute values: -5 -3. Element us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt had a mix of decimals attribute values: -5 -3. Element us-gaap_PropertyPlantAndEquipmentNet had a mix of decimals attribute values: -5 -3. Element us-gaap_TangibleAssetImpairmentCharges had a mix of decimals attribute values: -5 -3. 'Monetary' elements on report '2405406 - Disclosure - Business Combinations - Additional Information (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2406404 - Disclosure - Dispositions and Discontinued Operations Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2409407 - Disclosure - Fair Value Measurements - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2412404 - Disclosure - Segments - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2413401 - Disclosure - Commitments and Contingencies - Additional Information (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 1001000 - Statement - CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Sep. 30, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Process Flow-Through: 1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Process Flow-Through: 1005001 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) hero-20130930.xml hero-20130930.xsd hero-20130930_cal.xml hero-20130930_def.xml hero-20130930_lab.xml hero-20130930_pre.xml true true