Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments - Fair Value of Open and Closed Contracts Which Had Not Yet Settled (Details)

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Derivative Financial Instruments - Fair Value of Open and Closed Contracts Which Had Not Yet Settled (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Prepaid expenses and other assets [1] $ 52,327 $ 2,752
Other assets (long-term) 44,920 2,762
Accrued liabilities    
Derivatives 159,538 13,620
Other liabilities (long-term)    
Other liabilities (long-term) 55,467 4,384
Open Contracts and Closed Contracts Which Had Not Yet Been Settled [Member] | Prepaid expenses and other current assets    
Prepaid expenses and other assets 52,327 2,752
Open Contracts and Closed Contracts Which Had Not Yet Been Settled [Member] | Other assets (long-term)    
Other assets (long-term) 44,920 2,762
Open Contracts and Closed Contracts Which Had Not Yet Been Settled [Member] | Accrued liabilities    
Derivatives 159,538 13,620
Open Contracts and Closed Contracts Which Had Not Yet Been Settled [Member] | Other liabilities (long-term)    
Other liabilities (long-term) $ 55,467 $ 4,384
[1] Includes closed contracts which have not yet settled.