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Fair Value Measurements - Fair Value of Financial Instruments and Other Non-Financial Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Carrying Amount Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term Investments   $ 210
Fair Value Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term Investments $ 172,604 210
Short-term Investments 172,604 210,000
Long-Term Debt 0 (21,184)
Asset, Held-for-Sale, Not Part of Disposal Group 11,910 0
Level 2 | Carrying Amount Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Finance Lease, Liability (139,599) (532,760)
Level 2 | Carrying Amount Asset (Liability) | Related Party    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment in and loan to equity-accounted investment (note 4) 2,880 6,780
Level 2 | Fair Value Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Finance Lease, Liability (143,968) (533,977)
Recurring | Level 1 | Carrying Amount Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash, cash equivalents and restricted cash 480,771 316,706
Recurring | Level 1 | Fair Value Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash, cash equivalents and restricted cash 480,771 316,706
Recurring | Level 2 | Interest Rate Swap Agreements | Carrying Amount Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 0 3,709
Recurring | Level 2 | Interest Rate Swap Agreements | Fair Value Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 0 3,709
Private [Member] | Level 2 | Carrying Amount Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-Term Debt 0 (21,184)
Private [Member] | Level 2 | Fair Value Asset (Liability)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt, Fair Value $ 0 $ 21,078