Derivatives (Tables)

12 Months Ended

Dec. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Non-designated Hedges Outstanding [Table Text Block]

At December 31, 2019, the following non-designated hedges were outstanding:

Term	Commodity	Contracted Volume	Weighted Average  Fixed Price for Swaps	Contracted Market
Jan'20 - Dec'20	Natural gas - basis swap	30,000 MMBtu/day	$(0.275)	NGPL TEXOK
Jan'20 - Dec'20	Natural gas - basis swap	20,000 MMBtu/day	$(0.455)	PEPL
Jan'21 - Dec'21	Natural gas - basis swap	30,000 MMBtu/day	$(0.215)	NGPL TEXOK
Jan'20 - Dec'20	Natural gas - three-way collar	30,000 MMBtu/day	$2.50 - $2.20 - $2.80	IF - NYMEX (HH)

Fair Value Of Derivative Instruments And Locations In Balance Sheets [Table Text Block]

The following tables present the fair values and locations of the derivative transactions recorded in our Consolidated Balance Sheets at December 31: 

		Derivative Assets Fair Value
	Balance Sheet Location	2019		2018
		(In thousands)
Commodity derivatives:
Current	Current derivative assets	$	633	$	12,870
Long-term	Non-current derivative assets	—		—
Total derivative assets		$	633	$	12,870

		Derivative Liabilities Fair Value
	Balance Sheet Location	2019		2018
		(In thousands)
Commodity derivatives:
Current	Current derivative liabilities	$	—	$	—
Long-term	Non-current derivative liabilities	27		293
Total derivative liabilities		$	27	$	293

Effect Of Derivative Instruments Recognized In Statement Of Operations, Not Designated As Hedging Instruments [Table Text Block]

Effect of derivative instruments on the Consolidated Statements of Operations for the year ended December 31:

Derivatives Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	Amount of Gain or (Loss) Recognized in Income on  Derivative
		2019		2018
		(In thousands)
Commodity derivatives	Gain (loss) on derivatives (1)	$	4,225	$	(3,184)
Total		$	4,225	$	(3,184)

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1.Amounts settled during the periods are a gain of $16,196 and a loss of $22,803, respectively.