Income Taxes (Tables)

3 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of provision for income taxes

The provision for income taxes consists of the following:

	For the Three Months Ended March 31,
	2014			2013
	(in thousands)
Current portion of income tax expense:
Federal	$	—		$	—
State	489			102
Deferred portion of income tax expense	38,374			10,280
Total income tax expense	$	38,863		$	10,382
	37.2		%	38.3		%