Derivative Instruments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives reflected in the consolidated balance sheet

The estimated fair value of forward month commodity contracts (derivatives) reflected in the accompanying unaudited condensed consolidated balance sheets were as follows at the dates indicated (in thousands):

	Balance Sheet Location and Amount
	Current		Other		Current		Other
	Assets		Assets		Liabilities		Liabilities
March 31, 2021
Asset derivatives:
Fair value forward hydrocarbon commodity
contracts at gross valuation	$	576	$	—	$	—	$	—
Liability derivatives:
Fair value forward hydrocarbon commodity
contracts at gross valuation	—		—		546		—
Less counterparty offsets	—		—		—		—
As reported fair value contracts	$	576	$	—	$	546	$	—
December 31, 2020
Asset derivatives:
Fair value forward hydrocarbon commodity
contracts at gross valuation	$	61	$	—	$	—	$	—
Liability derivatives:
Fair value forward hydrocarbon commodity
contracts at gross valuation	—		—		52		—
Less counterparty offsets	—		—		—		—
As reported fair value contracts	$	61	$	—	$	52	$	—

Derivatives reflected in the consolidated statement of operations

Forward month commodity contracts (derivatives) reflected in the accompanying unaudited condensed consolidated statements of operations were as follows for the periods indicated (in thousands):

	Gains (losses)
	Three Months Ended
	March 31,
	2021		2020
Revenues – marketing	$	20	$	19

Fair value assets and liabilities

The following tables set forth, by level with the Level 1, 2 and 3 fair value hierarchy, the carrying values of our financial assets and liabilities at the dates indicated (in thousands):

	Fair Value Measurements Using
	Quoted Prices
	in Active		Significant
	Markets for		Other		Significant
	Identical Assets		Observable		Unobservable
	and Liabilities		Inputs		Inputs		Counterparty
	(Level 1)		(Level 2)		(Level 3)		Offsets		Total
March 31, 2021
Derivatives:
Current assets	$	—	$	576	$	—	$	—	$	576
Current liabilities	—		(546)		—		—		(546)
Net value	$	—	$	30	$	—	$	—	$	30
December 31, 2020
Derivatives:
Current assets	$	—	$	61	$	—	$	—	$	61
Current liabilities	—		(52)		—		—		(52)
Net value	$	—	$	9	$	—	$	—	$	9