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Asset Retirement Obligations (Tables)
 12 Months Ended
Dec. 31, 2016
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
The following table summarizes the changes in the Company’s asset retirement obligations for the periods presented:
 
Successor
 
 
Predecessor
 
October 11, 2016
through
December 31, 2016
 
 
January 1, 2016
through
October 10, 2016
 
Year Ended December 31, 2015
(in thousands)
 
 
 
Asset retirement obligations, beginning of period
$
4,989

 
 
$
2,288

 
$
1,824

Liabilities incurred
187

 
 
174

 
133

Liabilities acquired
2,002

 
 
66

 
178

Liabilities settled
(1
)
 
 
(42
)
 
—

Accretion expense
49

 
 
134

 
139

Revision of estimated liabilities
—

 
 
32

 
14

Asset retirement obligations, end of period
$
7,226

 
 
$
2,652

 
$
2,288