Asset Retirement Obligations

6 Months Ended

Jun. 30, 2015

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation Disclosure

ASSET RETIREMENT OBLIGATIONS

The following table presents the changes in carrying amounts of the asset retirement obligations associated with our working interests in crude oil and natural gas properties:

	Amount
	(in thousands)
Balance at beginning of period, January 1, 2015	$	73,855
Obligations incurred with development activities	1,395
Accretion expense	3,148
Obligations discharged with asset retirements	(1,868		)
Balance end of period, June 30, 2015	76,530
Less current portion	(5,460		)
Long-term portion	$	71,070

Short-term asset retirement obligations are included in other accrued expenses on the condensed consolidated balance sheets.