XML 143 R121.htm IDEA: XBRL DOCUMENT v3.24.0.1

Income taxes - Summary of Valuation Allowance for Deferred Tax Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets, Valuation Allowance [Roll Forward]
Beginning balance	$ 107,583	$ 27,471
Charged to income tax expense	10,786	41,702
Charged (reduction) to OCI	(16,696)	40,613
Reductions to other accounts	(4,329)	(2,203)
Ending balance	$ 97,344	$ 107,583

X

- Definition

Deferred Tax Assets, Valuation Allowance

+ References

No definition available.

+ Details

Name:	aqunf_DeferredTaxAssetsValuationAllowanceRollForward
Namespace Prefix:	aqunf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Valuation Allowance Deferred Tax Asset, Charged To Income Tax Expense (Recovery)

+ References

No definition available.

+ Details

Name:	aqunf_ValuationAllowanceDeferredTaxAssetChargedToIncomeTaxExpenseRecovery
Namespace Prefix:	aqunf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Valuation Allowance Deferred Tax Asset, Reduction To Other Comprehensive Income OCI

+ References

No definition available.

+ Details

Name:	aqunf_ValuationAllowanceDeferredTaxAssetReductionToOtherComprehensiveIncomeOCI
Namespace Prefix:	aqunf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Valuation Allowance Deferred Tax Asset, Reductions To Other Assets

+ References

No definition available.

+ Details

Name:	aqunf_ValuationAllowanceDeferredTaxAssetReductionsToOtherAssets
Namespace Prefix:	aqunf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant