Acquisitions (Tables)

6 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the consideration paid in the Rhino Acquisition to acquire the properties and the fair value amounts of the assets acquired as of March 20, 2014. Both the consideration paid and the fair value assigned to the assets is preliminary and subject to adjustment upon final closing.

	(in thousands)
Consideration paid
Cash, net of purchase price adjustments	$	177,444
Fair value of identifiable assets acquired
Oil and natural gas properties
Proved	$	32,005
Unproved	6,263
Unevaluated	139,176
Fair value of net identifiable assets acquired	$	177,444