Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2016

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Reconciliation of Company's Asset Retirement Obligations

The following is a reconciliation of the Company’s asset retirement obligations for the three months ended March 31, 2016:

(in thousands)
Balance at January 1, 2016	$	8,145
Net increase due to changes in estimated future cash flows		39
Accretion expense		233
Balance at March 31, 2016	$	8,417