Debt Instrument [Line Items]

No definition available.

Name:	asepf_DebtInstrumentLineItems
Namespace Prefix:	asepf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

Name:	asepf_DerivativeFloorInterestRate
Namespace Prefix:	asepf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Information about interest reserve.

+ References

No definition available.

+ Details

Name:	asepf_InterestReserveOnUnrestrictedCashBalances
Namespace Prefix:	asepf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Principal and Interest Payments Adjusted Ratio

+ References

No definition available.

+ Details

Name:	asepf_PrincipalAndInterestPaymentsAdjustedRatio
Namespace Prefix:	asepf_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Information about total net debt adjusted EBITDAX Ratio.

+ References

No definition available.

+ Details

Name:	asepf_TotalNetDebtAdjustedEBITDAXRatio
Namespace Prefix:	asepf_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Total Net Debt Ratio on Measured Assets

+ References

No definition available.

+ Details

Name:	asepf_TotalNetDebtRatioOnMeasuredAssets
Namespace Prefix:	asepf_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of interest and other costs that an entity incurs in connection with the borrowing of funds.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_BorrowingCostsIncurred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The nominal amount of a credit derivative. [Refer: Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 24G
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24G_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_CreditDerivativeNominalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage debt that has been structured to meet a particular investment objective contributes to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] [Contrast: Structured debt, amount contributed to fair value of plan assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 142
-Subparagraph h
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_h&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_StructuredDebtPercentageContributedToFairValueOfPlanAssets
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	asepf_CreditFacilityAxis=asepf_AipHoldcoLpAipBorrowerLpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	asepf_CreditFacilityAxis=asepf_GoldmanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=asepf_InterestRateFloorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=asepf_LondonInterbankOfferedRateLiborMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_InterestRateSwapContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-term debt (Narrative) (Details)		12 Months Ended
Long-term debt (Narrative) (Details)	Dec. 22, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Aip Holdco, Lp, Aip Borrower Lp [Member]
Debt Instrument [Line Items]
Principal and interest payments adjusted ratio	1.50
Goldman Facility [Member]
Debt Instrument [Line Items]
Amount drawn under facility		$ 25,237,408	$ 43,328,396
Total net debt adjusted EBITDAX Ratio	3.5
Interest reserve	$ 1,800,000
Total net debt ratio on measured assets	1.50
Structured debt, percentage contributed to fair value of plan assets	10.00%
Borrowing costs incurred		$ 1,058,759
Interest Rate Floor [Member] \| Goldman Facility [Member]
Debt Instrument [Line Items]
LIBOR floor rate	1.00%
London Interbank Offered Rate (Libor) [Member] \| Goldman Facility [Member]
Debt Instrument [Line Items]
Borrowings, interest rate	6.00%
Interest rate swap contract [Member] \| Fixed interest rate [Member] \| Goldman Facility [Member]
Debt Instrument [Line Items]
Structured debt, percentage contributed to fair value of plan assets	70.00%