XML 74 R65.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Commitments and Contingencies - Additional Information (Detail) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 08, 2022 USD ($) item | Aug. 26, 2022 USD ($) | Sep. 30, 2022 USD ($) $ / bbl | Sep. 30, 2022 USD ($) $ / bbl | Dec. 31, 2021 USD ($)
Commitments and Contingencies Additional Textual [Abstract] |  |  |  |  |
Remaining environmental accrued liability recorded |  |  | $ 0 | $ 0 | $ 0
Beta's decommissioning obligations, full supported by surety bonds |  |  | 161,300,000 | 161,300,000 |
Beta's decommissioning obligations, cash |  |  | $ 5,700,000 | $ 5,700,000 |
Obligatory monthly deposit into sinking fund account per barrel of oil | $ / bbl |  |  | 0.25 | 0.25 |
Sinking fund account maximum value upon which obligation ceases |  |  | $ 4,300,000 | $ 4,300,000 |
Oklahoma [Member] |  |  |  |  |
Commitments and Contingencies Additional Textual [Abstract] |  |  |  |  |
Commitment fee expense |  |  | 400,000 | 1,500,000 |
East Texas [Member] |  |  |  |  |
Commitments and Contingencies Additional Textual [Abstract] |  |  |  |  |
Commitment fee expense |  |  | 600,000 | 1,700,000 |
Southern California Pipeline Incident and Oil Release |  |  |  |  |
Commitments and Contingencies Additional Textual [Abstract] |  |  |  |  |
Restricted Investment - decommissioning of offshore production facilities |  |  | 4,300,000 | 4,300,000 |
Pending Litigation |  |  |  |  |
Commitments and Contingencies Additional Textual [Abstract] |  |  |  |  |
Estimated litigation liability |  |  | $ 8,000,000.0 | $ 8,000,000.0 |
Pending Litigation | Southern California Pipeline Incident and Oil Release |  |  |  |  |
Commitments and Contingencies Additional Textual [Abstract] |  |  |  |  |
Estimated litigation liability | $ 4,900,000 | $ 7,100,000 |  |  |
Installment period |  | 3 years |  |  |
Probation period | 1 year | 4 years |  |  |
Reimbursement amount payable to government agencies |  | $ 5,800,000 |  |  |
Number of misdemeanor charges | item | 6 |  |  |  |

X
- Definition Commitment fee expense. + References No definition available. + Details
Name: | ampy_CommitmentFeeExpense
Namespace Prefix: | ampy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Commitments and contingencies. + References No definition available. + Details
Name: | ampy_CommitmentsAndContingenciesAdditionalTextualAbstract
Namespace Prefix: | ampy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Decommissioning obligations supported by cash. + References No definition available. + Details
Name: | ampy_DecommissioningObligationsSupportedByCash
Namespace Prefix: | ampy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Decommissioning obligations supported by surety bonds. + References No definition available. + Details
Name: | ampy_DecommissioningObligationsSupportedBySuretyBonds
Namespace Prefix: | ampy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Installment period of contingent payment. + References No definition available. + Details
Name: | ampy_LossContingencyInstallmentPeriod
Namespace Prefix: | ampy_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Probation period of contingent payment. + References No definition available. + Details
Name: | ampy_LossContingencyProbationPeriod
Namespace Prefix: | ampy_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reimbursement amount payable to government agencies in a loss contingency. + References No definition available. + Details
Name: | ampy_LossContingencyReimbursementAmountPayableToGovernmentAgencies
Namespace Prefix: | ampy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Monthly deposit into sinking fund account. + References No definition available. + Details
Name: | ampy_MonthlyDepositIntoSinkingFundAccount1
Namespace Prefix: | ampy_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of misdemeanor charges. + References No definition available. + Details
Name: | ampy_NumberOfMisdemeanorCharges
Namespace Prefix: | ampy_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sinking fund account maximum amount. + References No definition available. + Details
Name: | ampy_SinkingFundAccountMaximumAmount
Namespace Prefix: | ampy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 55 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=6571209&loc=d3e13644-110860 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 + Details
Name: | us-gaap_AccruedEnvironmentalLossContingenciesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LitigationReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 210 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 210 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=127002003&loc=SL6242269-115581 + Details
Name: | us-gaap_RestrictedInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_OK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_TX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=ampy_SouthernCaliforniaPipelineIncidentAndOilReleaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |