Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2017

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Components of the Change in the ARO Balance

The following table reflects the components of the change in Energen’s ARO balance:

(in thousands)
Balance as of December 31, 2016	$	81,544
Liabilities incurred	758
Liabilities settled	(292		)
Accretion expense	2,857
Balance as of June 30, 2017	$	84,867