Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities measured on a recurring basis

The fair value of all commodity derivative contracts and common stock warrants are reflected on the consolidated balance sheets as detailed in the following schedule:

	December 31, 2016		December 31, 2015
Description	Significant Other Observable Inputs (Level 2)
	(In thousands)
Assets:
Fair value of commodity derivatives	$	—	$	—
Total assets	$	—	$	—
Liabilities:
Fair value of commodity derivatives	$	12,895	$	—
Fair value of common stock warrants	246,743		—
Total liabilities	$	259,638	$	—

Schedule of comparison of fair value to the carrying value of the 2019 Senior Notes

Fair value is compared to the carrying value in the table below:

	Fair Value	December 31, 2016				December 31, 2015
	Hierarchy	Carrying		Estimated		Carrying		Estimated
Description	Level	Amount		Fair Value		Amount		Fair Value
		(In thousands)
7.75% Senior Notes, due 2019	1	$	495,451	$	505,650	$	592,410	$	462,750
Second Lien Term Loan, due March 2021	3	$	352,544	$	378,996	$	—	$	—