Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Fair Value of Assets and Liabilities Measured on Recurring Basis (Details)

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Fair Value Measurements - Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - Recurring Basis - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Liabilities, Fair Value Disclosure [Abstract]    
Financial guarantee contracts, deferred premium $ 900 $ 2,900
Level 1    
Derivative Asset [Abstract]    
Commodity derivative assets 0 0
Contingent consideration arrangements   0
Liabilities, Fair Value Disclosure [Abstract]    
Commodity derivative liabilities 0 0
Contingent consideration arrangements   0
Total net assets (liabilities)   0
Level 2    
Derivative Asset [Abstract]    
Commodity derivative assets 0 1,798
Contingent consideration arrangements   20,833
Liabilities, Fair Value Disclosure [Abstract]    
Commodity derivative liabilities (427,362) (172,386)
Contingent consideration arrangements   (25,000)
Total net assets (liabilities)   (174,755)
Level 3    
Derivative Asset [Abstract]    
Commodity derivative assets 0 0
Contingent consideration arrangements   0
Liabilities, Fair Value Disclosure [Abstract]    
Commodity derivative liabilities $ 0 0
Contingent consideration arrangements   0
Total net assets (liabilities)   $ 0