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Derivatives - Fair Value by Balance sheet Location (Details)
$ in Thousands
Sep. 30, 2021
USD ($)
Derivatives, Fair Value  
Derivative assets $ 4,129
NGL Price Swaps October 2021 to February 2022 | Derivative Contracts, Current  
Derivatives, Fair Value  
Derivative assets 819
Natural Gas Price Swaps October 2021 to February 2022 | Derivative Contracts, Current  
Derivatives, Fair Value  
Derivative assets $ 3,310