Asset Impairment (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Summary of Impairments Recognized

Impairments recognized by Energen are presented below:

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2016		2015		2016		2015
Permian Basin oil properties
Central Basin Platform	$	—	$	371,593	$	187,043	$	423,067
Delaware Basin	—		18,653		21,288		22,983
San Juan Basin properties	—		—		7,519		—
Permian Basin unproved leasehold properties	587		9,148		4,722		20,092
San Juan Basin unproved leasehold properties	—		—		40		248
Total asset impairments	$	587	$	399,394	$	220,612	$	466,390