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Derivative Instruments - Fair Values of Derivative Contracts Recorded in Condensed Consolidated Balance Sheet (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Derivatives, Fair Value [Line Items]    
Energy Marketing Contracts Assets, Current $ 7,516 $ 7,076
Energy Marketing Contract Liabilities, Current 484 743
Mark To Market Energy Assets [Member] | Propane Swap Agreement [Member] | Derivatives designated as hedging instrument [Member]    
Derivatives, Fair Value [Line Items]    
Energy Marketing Contracts Assets, Current 7,516 7,060
Mark To Market Energy Assets [Member] | Put Option [Member] | Derivatives designated as hedging instrument [Member]    
Derivatives, Fair Value [Line Items]    
Energy Marketing Contracts Assets, Current 0 16
Mark-to-market energy liabilities [Member] | Propane Swap Agreement [Member] | Derivatives designated as hedging instrument [Member]    
Derivatives, Fair Value [Line Items]    
Energy Marketing Contract Liabilities, Current $ 484 $ 743