Asset Retirement Obligations (Tables)
|6 Months Ended|
Jun. 30, 2017
|Asset Retirement Obligation Disclosure [Abstract]|
|Reconciliation of the ARO Liability||
The following table is a reconciliation of the ARO liability as of and for the six months ended June 30, 2017 and the twelve months ended December 31, 2016.
Tabular disclosure of the carrying amount of a liability for asset retirement obligations.
Reference 1: http://www.xbrl.org/2003/role/presentationRef