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Income Taxes - Unrecognized Tax Benefits, Recorded in Other Long-Term Liabilities (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Balance as at January 1 | $ 42,477 | $ 46,956 | $ 51,562
Increases for positions related to the current year | 9,708 | 5,820 | 3,749
Increases for positions related to prior years | 7,394 | 2,983 | 4,801
Decreases for positions related to prior years | (4,798) | (964) | 0
Decreases related to statute of limitations | (5,430) | (8,972) | (12,753)
Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation |  |  | (403)
Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation | (1,538) | (3,346) |
Balance as at December 31 | 47,813 | 42,477 | 46,956
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 6,200 | 3,800 | 6,200
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 24,100 | 22,300 | 26,700
Operating Loss Carryforwards [Line Items] |  |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 6,200 | $ 3,800 | $ 6,200
Norway |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax losses and disallowed finance costs | $ 12,600 |  |

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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) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-10B + Details
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