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The approximate amount of net payment receivable in a settlement from owners and operators relating to vessels that struck and damaged the pipeline.

No definition available.

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Commitment fee expense.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Commitments and contingencies.

No definition available.

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Decommissioning obligations supported by cash.

No definition available.

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Decommissioning obligations supported by surety bonds.

No definition available.

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The amount of pipeline incident settlement liability included in Other long-term liabilities.

No definition available.

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Installment period of contingent payment.

No definition available.

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Probation period of contingent payment.

No definition available.

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Period Type:	duration

The reimbursement amount payable to government agencies in a loss contingency.

No definition available.

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Namespace Prefix:	ampy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Monthly deposit into sinking fund account.

No definition available.

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Number of misdemeanor charges.

No definition available.

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The amount of accrued liability of pipeline incident settlement, classified as current.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Sinking fund account maximum amount.

No definition available.

Name:	ampy_SinkingFundAccountMaximumAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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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.

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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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount awarded to other party in judgment or settlement of litigation.

No definition available.

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

No definition available.

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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.

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