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Income Taxes - Components of Company's Deferred Tax Assets and Liabilities (Footnote) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 156.2
Norway
Operating Loss Carryforwards [Line Items]
Tax losses and disallowed finance costs	$ 11.6
Carryforward term (in years)	10

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-3

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A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

+ References

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- Definition

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+ References

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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
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