Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of provision for income taxes

The provision for income taxes consists of the following:

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2015			2014			2015			2014
	(in thousands)
Current portion of income tax expense (benefit):
Federal	$	—		$	—		$	—		$	—
State	(8,308		)	479			2,092			1,480
Deferred portion of income tax expense (benefit)	4,168			124,269			(80,388		)	198,180
Total income tax expense (benefit)	$	(4,140	)	$	124,748		$	(78,296	)	$	199,660
	403.5		%	37.4		%	42.2		%	37.4		%