Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments, Measured at Fair Value, Hedging Activities, and Concentrations of Credit Risk - Summary of Certain Amounts Related to Hedging Activities (Detail)

v3.20.2
Financial Instruments, Measured at Fair Value, Hedging Activities, and Concentrations of Credit Risk - Summary of Certain Amounts Related to Hedging Activities (Detail) - Commodity Derivative Contracts [Member] - Cash Flow Hedges [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Fair Value Concentration Of Risk Financial Statement Captions [Line Items]  
Amount of Gain (Loss) Recognized in AOCI $ 8
Amount of Gain (Loss) Reclassified to Earnings $ (28)