3.19.2 html 251 343 1 true 71 0 false 9 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/StatementUNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETS UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 100020 - Statement - UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/StatementUNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 100030 - Statement - UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/StatementUNAUDITEDCONDENSEDSTATEMENTSOFCONSOLIDATEDOPERATIONS UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS Statements 4 false false R5.htm 100040 - Statement - UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/StatementUNAUDITEDCONDENSEDSTATEMENTSOFCONSOLIDATEDCASHFLOWS UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS Statements 5 false false R6.htm 100050 - Statement - UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED EQUITY Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/StatementUNAUDITEDCONDENSEDSTATEMENTSOFCONSOLIDATEDEQUITY UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED EQUITY Statements 6 false false R7.htm 100060 - Disclosure - Organization and Basis of Presentation Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureOrganizationAndBasisOfPresentation Organization and Basis of Presentation Notes 7 false false R8.htm 100070 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 100080 - Disclosure - Revenue Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRevenue Revenue Notes 9 false false R10.htm 100090 - Disclosure - Acquisitions and Divestitures Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAcquisitionsAndDivestitures Acquisitions and Divestitures Notes 10 false false R11.htm 100100 - Disclosure - Fair Value Measurements of Financial Instruments Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureFairValueMeasurementsOfFinancialInstruments Fair Value Measurements of Financial Instruments Notes 11 false false R12.htm 100110 - Disclosure - Risk Management and Derivative Instruments Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstruments Risk Management and Derivative Instruments Notes 12 false false R13.htm 100120 - Disclosure - Asset Retirement Obligations Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAssetRetirementObligations Asset Retirement Obligations Notes 13 false false R14.htm 100130 - Disclosure - Long-Term Debt Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebt Long-Term Debt Notes 14 false false R15.htm 100140 - Disclosure - Equity (Deficit) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficit Equity (Deficit) Notes 15 false false R16.htm 100150 - Disclosure - Earnings per Share Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEarningsPerShare Earnings per Share Notes 16 false false R17.htm 100160 - Disclosure - Long-Term Incentive Plans Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlans Long-Term Incentive Plans Notes 17 false false R18.htm 100170 - Disclosure - Leases Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeases Leases Notes 18 false false R19.htm 100180 - Disclosure - Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSupplementalDisclosuresToUnauditedCondensedConsolidatedBalanceSheetsAndUnauditedCondensedConsolidatedStatementsOfCashFlows Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows Notes 19 false false R20.htm 100190 - Disclosure - Related Party Transactions Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRelatedPartyTransactions Related Party Transactions Notes 20 false false R21.htm 100200 - Disclosure - Commitments and Contingencies Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 21 false false R22.htm 100210 - Disclosure - Income Taxes Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 22 false false R23.htm 100220 - Disclosure - Subsequent Events Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSubsequentEvents Subsequent Events Notes 23 false false R24.htm 100230 - Disclosure - Organization and Basis of Presentation (Policies) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureOrganizationAndBasisOfPresentationPolicies Organization and Basis of Presentation (Policies) Policies http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 24 false false R25.htm 100240 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 25 false false R26.htm 100250 - Disclosure - Revenue (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRevenueTables Revenue (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRevenue 26 false false R27.htm 100260 - Disclosure - Acquisitions and Divestitures (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAcquisitionsAndDivestituresTables Acquisitions and Divestitures (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAcquisitionsAndDivestitures 27 false false R28.htm 100270 - Disclosure - Fair Value Measurements of Financial Instruments (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureFairValueMeasurementsOfFinancialInstrumentsTables Fair Value Measurements of Financial Instruments (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureFairValueMeasurementsOfFinancialInstruments 28 false false R29.htm 100280 - Disclosure - Risk Management and Derivative Instruments (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstrumentsTables Risk Management and Derivative Instruments (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstruments 29 false false R30.htm 100290 - Disclosure - Asset Retirement Obligations (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAssetRetirementObligationsTables Asset Retirement Obligations (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAssetRetirementObligations 30 false false R31.htm 100300 - Disclosure - Long-Term Debt (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebtTables Long-Term Debt (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebt 31 false false R32.htm 100310 - Disclosure - Equity (Deficit) (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficitTables Equity (Deficit) (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficit 32 false false R33.htm 100320 - Disclosure - Earnings per Share (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEarningsPerShareTables Earnings per Share (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEarningsPerShare 33 false false R34.htm 100330 - Disclosure - Long-Term Incentive Plans (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansTables Long-Term Incentive Plans (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlans 34 false false R35.htm 100340 - Disclosure - Leases (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeasesTables Leases (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeases 35 false false R36.htm 100350 - Disclosure - Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows (Tables) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSupplementalDisclosuresToUnauditedCondensedConsolidatedBalanceSheetsAndUnauditedCondensedConsolidatedStatementsOfCashFlowsTables Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows (Tables) Tables http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSupplementalDisclosuresToUnauditedCondensedConsolidatedBalanceSheetsAndUnauditedCondensedConsolidatedStatementsOfCashFlows 36 false false R37.htm 100360 - Disclosure - Organization and Basis of Presentation - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureOrganizationAndBasisOfPresentationAdditionalInformationDetail Organization and Basis of Presentation - Additional Information (Detail) Details 37 false false R38.htm 100370 - Disclosure - Summary of Significant Accounting Policies - Schedule of Reorganization Items, net (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfReorganizationItemsNetDetail Summary of Significant Accounting Policies - Schedule of Reorganization Items, net (Detail) Details 38 false false R39.htm 100380 - Disclosure - Revenue - Summary of Revenues Disaggregated (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRevenueSummaryOfRevenuesDisaggregatedDetail Revenue - Summary of Revenues Disaggregated (Detail) Details 39 false false R40.htm 100390 - Disclosure - Revenue - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRevenueAdditionalInformationDetail Revenue - Additional Information (Detail) Details 40 false false R41.htm 100400 - Disclosure - Acquisitions and Divestitures - Acquisition and Divestiture Related Expenses (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAcquisitionsAndDivestituresAcquisitionAndDivestitureRelatedExpensesDetail Acquisitions and Divestitures - Acquisition and Divestiture Related Expenses (Detail) Details 41 false false R42.htm 100410 - Disclosure - Acquisitions and Divestitures - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAcquisitionsAndDivestituresAdditionalInformationDetail Acquisitions and Divestitures - Additional Information (Detail) Details 42 false false R43.htm 100420 - Disclosure - Fair Value Measurements of Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureFairValueMeasurementsOfFinancialInstrumentsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail Fair Value Measurements of Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Details 43 false false R44.htm 100430 - Disclosure - Fair Value Measurements of Financial Instruments - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureFairValueMeasurementsOfFinancialInstrumentsAdditionalInformationDetail Fair Value Measurements of Financial Instruments - Additional Information (Detail) Details 44 false false R45.htm 100440 - Disclosure - Risk Management and Derivative Instruments - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstrumentsAdditionalInformationDetail Risk Management and Derivative Instruments - Additional Information (Detail) Details 45 false false R46.htm 100450 - Disclosure - Risk Management and Derivative Instruments - Open Commodity Positions (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstrumentsOpenCommodityPositionsDetail Risk Management and Derivative Instruments - Open Commodity Positions (Detail) Details 46 false false R47.htm 100460 - Disclosure - Risk Management and Derivative Instruments - Interest Rate Swap Open Positions (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstrumentsInterestRateSwapOpenPositionsDetail Risk Management and Derivative Instruments - Interest Rate Swap Open Positions (Detail) Details 47 false false R48.htm 100470 - Disclosure - Risk Management and Derivative Instruments - Gross Fair Value of Derivative Instruments by Appropriate Balance Sheet (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstrumentsGrossFairValueOfDerivativeInstrumentsByAppropriateBalanceSheetDetail Risk Management and Derivative Instruments - Gross Fair Value of Derivative Instruments by Appropriate Balance Sheet (Detail) Details 48 false false R49.htm 100480 - Disclosure - Risk Management and Derivative Instruments - Unrealized and Realized Gains and Losses Related to Derivative Instruments (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRiskManagementAndDerivativeInstrumentsUnrealizedAndRealizedGainsAndLossesRelatedToDerivativeInstrumentsDetail Risk Management and Derivative Instruments - Unrealized and Realized Gains and Losses Related to Derivative Instruments (Detail) Details 49 false false R50.htm 100490 - Disclosure - Asset Retirement Obligations - Summary of Changes in Asset Retirement Obligations (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureAssetRetirementObligationsSummaryOfChangesInAssetRetirementObligationsDetail Asset Retirement Obligations - Summary of Changes in Asset Retirement Obligations (Detail) Details 50 false false R51.htm 100500 - Disclosure - Long-Term Debt - Consolidated Debt Obligations (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebtConsolidatedDebtObligationsDetail Long-Term Debt - Consolidated Debt Obligations (Detail) Details 51 false false R52.htm 100510 - Disclosure - Long-Term Debt - Consolidated Debt Obligations (Parenthetical) (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebtConsolidatedDebtObligationsParentheticalDetail Long-Term Debt - Consolidated Debt Obligations (Parenthetical) (Detail) Details 52 false false R53.htm 100520 - Disclosure - Long-Term Debt - Credit Facility - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebtCreditFacilityAdditionalInformationDetail Long-Term Debt - Credit Facility - Additional Information (Detail) Details 53 false false R54.htm 100530 - Disclosure - Long-Term Debt - Summary of Weighted-Average Interest Rates Paid Excluding Commitment Fees on Variable-Rate Debt Obligations (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebtSummaryOfWeightedAverageInterestRatesPaidExcludingCommitmentFeesOnVariableRateDebtObligationsDetail Long-Term Debt - Summary of Weighted-Average Interest Rates Paid Excluding Commitment Fees on Variable-Rate Debt Obligations (Detail) Details 54 false false R55.htm 100540 - Disclosure - Long-Term Debt - Unamortized Deferred Financing Costs - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermDebtUnamortizedDeferredFinancingCostsAdditionalInformationDetail Long-Term Debt - Unamortized Deferred Financing Costs - Additional Information (Detail) Details 55 false false R56.htm 100550 - Disclosure - Equity (Deficit)- Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficitAdditionalInformationDetail Equity (Deficit)- Additional Information (Detail) Details http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficitTables 56 false false R57.htm 100560 - Disclosure - Equity (Deficit) - Summary of Changes in Number of Outstanding Common Units and Shares of Common Stock (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficitSummaryOfChangesInNumberOfOutstandingCommonUnitsAndSharesOfCommonStockDetail Equity (Deficit) - Summary of Changes in Number of Outstanding Common Units and Shares of Common Stock (Detail) Details http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEquityDeficitTables 57 false false R58.htm 100570 - Disclosure - Earnings per Share - Calculation of Earnings (Loss) per Share (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureEarningsPerShareCalculationOfEarningsLossPerShareDetail Earnings per Share - Calculation of Earnings (Loss) per Share (Detail) Details 58 false false R59.htm 100580 - Disclosure - Long-Term Incentive Plans - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansAdditionalInformationDetail Long-Term Incentive Plans - Additional Information (Detail) Details 59 false false R60.htm 100590 - Disclosure - Long-Term Incentive Plans - Summary of Information Regarding Restricted Stock Unit Awards (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansSummaryOfInformationRegardingRestrictedStockUnitAwardsDetail Long-Term Incentive Plans - Summary of Information Regarding Restricted Stock Unit Awards (Detail) Details 60 false false R61.htm 100600 - Disclosure - Long-Term Incentive Plans - Summary of Information Regarding Restricted Stock Unit Awards (Parenthetical) (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansSummaryOfInformationRegardingRestrictedStockUnitAwardsParentheticalDetail Long-Term Incentive Plans - Summary of Information Regarding Restricted Stock Unit Awards (Parenthetical) (Detail) Details 61 false false R62.htm 100610 - Disclosure - Long-Term Incentive Plans - Summary of Fair Value Assumptions (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansSummaryOfFairValueAssumptionsDetail Long-Term Incentive Plans - Summary of Fair Value Assumptions (Detail) Details 62 false false R63.htm 100620 - Disclosure - Long-Term Incentive Plans - Summary of Information Regarding Board RSUs Granted (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansSummaryOfInformationRegardingBoardRsusGrantedDetail Long-Term Incentive Plans - Summary of Information Regarding Board RSUs Granted (Detail) Details 63 false false R64.htm 100630 - Disclosure - Long-Term Incentive Plans - Summary of Information Regarding Board RSUs Granted (Parenthetical) (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansSummaryOfInformationRegardingBoardRsusGrantedParentheticalDetail Long-Term Incentive Plans - Summary of Information Regarding Board RSUs Granted (Parenthetical) (Detail) Details 64 false false R65.htm 100640 - Disclosure - Long-Term Incentive Plans - Summary of Amount of Compensation Expense Recognized (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLongTermIncentivePlansSummaryOfAmountOfCompensationExpenseRecognizedDetail Long-Term Incentive Plans - Summary of Amount of Compensation Expense Recognized (Detail) Details 65 false false R66.htm 100650 - Disclosure - Leases - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeasesAdditionalInformationDetail Leases - Additional Information (Detail) Details 66 false false R67.htm 100660 - Disclosure - Leases - Schedule of Right-of-Use Assets and Lease Liabilities (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeasesScheduleOfRightOfUseAssetsAndLeaseLiabilitiesDetail Leases - Schedule of Right-of-Use Assets and Lease Liabilities (Detail) Details 67 false false R68.htm 100670 - Disclosure - Leases - Schedule of Maturity Analysis of Minimum Lease Payment Obligation Under Non-cancellable Operating Leases (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeasesScheduleOfMaturityAnalysisOfMinimumLeasePaymentObligationUnderNonCancellableOperatingLeasesDetail Leases - Schedule of Maturity Analysis of Minimum Lease Payment Obligation Under Non-cancellable Operating Leases (Detail) Details 68 false false R69.htm 100690 - Disclosure - Leases - Schedule of Future Contractual Payment for Operating Leases (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeasesScheduleOfFutureContractualPaymentForOperatingLeasesDetail Leases - Schedule of Future Contractual Payment for Operating Leases (Detail) Details 69 false false R70.htm 100700 - Disclosure - Leases - Schedule of Weighted Average Remaining Lease Terms and Discount Rate of Operating Leases (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureLeasesScheduleOfWeightedAverageRemainingLeaseTermsAndDiscountRateOfOperatingLeasesDetail Leases - Schedule of Weighted Average Remaining Lease Terms and Discount Rate of Operating Leases (Detail) Details 70 false false R71.htm 100710 - Disclosure - Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows - Summary of Current Accrued Liabilities (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSupplementalDisclosuresToUnauditedCondensedConsolidatedBalanceSheetsAndUnauditedCondensedConsolidatedStatementsOfCashFlowsSummaryOfCurrentAccruedLiabilitiesDetail Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows - Summary of Current Accrued Liabilities (Detail) Details 71 false false R72.htm 100720 - Disclosure - Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows - Summary of Cash and Cash Equivalents Reconciliation (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSupplementalDisclosuresToUnauditedCondensedConsolidatedBalanceSheetsAndUnauditedCondensedConsolidatedStatementsOfCashFlowsSummaryOfCashAndCashEquivalentsReconciliationDetail Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows - Summary of Cash and Cash Equivalents Reconciliation (Detail) Details 72 false false R73.htm 100730 - Disclosure - Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows - Summary of Supplemental Cash Flows (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureSupplementalDisclosuresToUnauditedCondensedConsolidatedBalanceSheetsAndUnauditedCondensedConsolidatedStatementsOfCashFlowsSummaryOfSupplementalCashFlowsDetail Supplemental Disclosures to the Unaudited Condensed Consolidated Balance Sheets and Unaudited Condensed Consolidated Statements of Cash Flows - Summary of Supplemental Cash Flows (Detail) Details 73 false false R74.htm 100740 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetail Related Party Transactions - Additional Information (Detail) Details 74 false false R75.htm 100750 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 75 false false R76.htm 100760 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.amplifyenergy.com/20190630/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 76 false false All Reports Book All Reports ampy-20190630.xml ampy-20190630.xsd ampy-20190630_cal.xml ampy-20190630_def.xml ampy-20190630_lab.xml ampy-20190630_pre.xml http://fasb.org/srt/2018-01-31 http://xbrl.sec.gov/invest/2013-01-31 http://fasb.org/us-gaap/2018-01-31 http://xbrl.sec.gov/dei/2018-01-31 true true