Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2019

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Reconciliation of Changes in the Asset Retirement Obligations

The reconciliation of changes in the asset retirement obligations at December 31, 2019 and 2018 is as follows:

	As of December 31,
	2019			2018
Balance at Beginning of Period	$	267,001		$	258,823
Accretion Expense	20,116			19,468
Payments	(13,030		)	(8,976		)
Revisions in Estimated Cash Flows	(2,135		)	(2,314		)
Balance at End of Period	$	271,952		$	267,001