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ASSET RETIREMENT OBLIGATIONS (Tables)
 12 Months Ended
Dec. 31, 2019
Asset Retirement Obligation [Abstract]  
Schedule of asset retirement obligation The following table reflects the changes in the Partnership’s asset retirement obligation for the following periods:

 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(In thousands)
Asset retirement obligation, beginning of period
$
561

 
$
383

 
$
194

Liabilities incurred
9,188

 
143

 
166

Liabilities settled
(21
)
 
—

 
—

Estimates revised
5

 
—

 
—

Accretion expense during period
1,614

 
35

 
23

Asset retirement obligation, end of period
$
11,347

 
$
561

 
$
383