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Income taxes - Schedule of Valuation Allowance for Deferred Tax Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets, Valuation Allowance [Roll Forward]
Beginning balance	$ 5,562	$ 5,876
Charged to income tax expense (recovery)	154,601	(388)
Changed to additional paid-in capital	5,390	0
Valuation Allowance Charged to discontinued operations	(5,143)	0
Charged (reduction) to OCI	(17,759)	22
Tax impact on outside basis difference in renewable assets	140,202	0
Reductions to other accounts	(959)	52
Ending balance	$ 281,894	$ 5,562

X

- Definition

Deferred Tax Assets, Valuation Allowance

+ References

No definition available.

+ Details

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X

- Definition

Valuation Allowance Deferred Tax Asset, Charged To Additional Paid-in Capital

+ References

No definition available.

+ Details

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X

- Definition

Valuation Allowance, Deferred Tax Asset, Charged to Discontinued Operations

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

Valuation Allowance Deferred Tax Asset, Reductions To Other Assets

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Valuation Allowance Deferred Tax Asset, Tax Impact On Outside Basis Difference In Renewable Assets

+ References

No definition available.

+ Details

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Balance Type:	debit
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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

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