XML 48 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2018
Fair Value Disclosures [Abstract]  
Summary of Fair Value Hierarchy for Financial Assets
The fair value hierarchy for our financial assets and liabilities accounted for at fair value on a recurring basis at March 31, 2018 and December 31, 2017 was as follows (in thousands):

 
 
As of March 31, 2018
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets
 
 
 
 
 
 
 
 
Commodity derivatives
 
$
—

 
$
13

 
$
—

 
$
13

     Total assets
 
—

 
13

 
—

 
13

Liabilities
 
 
 
 
 
 
 


Commodity derivatives
 
—

 
(167
)
 
—

 
(167
)
Net liabilities
 
$
—

 
$
(154
)
 
$
—

 
$
(154
)
 
 
As of December 31, 2017
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Liabilities
 
 
 
 
 
 
 
 
Commodity derivatives
 
—

 
(1,087
)
 
—

 
(1,087
)
Net liabilities
 
$
—

 
$
(1,087
)
 
$
—

 
$
(1,087
)