Acquisitions (Tables)

12 Months Ended

Dec. 31, 2016

Business Combinations [Abstract]

Schedule of Consideration Paid and the Fair Value Amounts of Assets Acquired

The following table summarizes the consideration paid in the AEU Acquisition to acquire the properties and the fair value amount of the assets acquired as of June 12, 2015. 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	$	405,029
Fair value of identifiable assets acquired
Oil and natural gas properties
Proved	$	70,804
Unevaluated	334,225
Fair value of net identifiable assets acquired	$	405,029