Asset Retirement Obligation (Tables)

12 Months Ended

Dec. 31, 2019

Asset Retirement Obligation [Abstract]

Asset Retirement Obligation Transactions

Balance December 31, 2017	$	2,270
Accretion expense		141
Liabilities incurred		7
Liabilities settled		(41)
Revisions in estimated liabilities		(198)
Balance December 31, 2018	$	2,179
Accretion expense		132
Liabilities incurred		12
Liabilities settled		(83)
Liabilities sold properties		(55)
Revisions in estimated liabilities		(187)
Balance December 31, 2019	$	1,998