Asset Retirement Obligations (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2018 | |||||||||||||||||||||||||||||||||||||
| Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||
| Schedule of Asset Retirement Obligations | The following table summarizes the changes in the Company’s asset retirement obligations (“ARO”) for the six months ended June 30, 2018 (in thousands):
|
||||||||||||||||||||||||||||||||||||