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Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Summary of the valuation of the Company's financial assets and liabilities that were accounted for at fair value on a recurring basis
The following tables summarize the valuation of the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis in accordance with the classifications provided above as of September 30, 2017 and December 31, 2016 (in thousands). 
 
Fair Value Measurements at
September 30, 2017 using
Description
Level 1
 
Level 2
 
Level 3
 
Total
Assets (Liabilities)
 
 
 
 
 
 
 
Oil, natural gas and NGL derivatives
$
—

 
$
345

 
$
—

 
$
345

Oil, natural gas and NGL derivatives
—

 
(3,850
)
 
—

 
(3,850
)
Total
$
—

 
$
(3,505
)
 
$
—

 
$
(3,505
)
 
Fair Value Measurements at
December 31, 2016 using
Description
Level 1
 
Level 2
 
Level 3
 
Total
Liabilities
 
 
 
 
 
 
 
   Oil and natural gas derivatives
$
—

 
$
(24,954
)
 
$
—

 
$
(24,954
)
           Total
$
—

 
$
(24,954
)
 
$
—

 
$
(24,954
)