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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Assets and liabilities measured at fair value on a recurring basis are summarized below:
Level 2
June 30, 2020December 31, 2019
Commodity derivative contracts, net$—  $(667) 
June 30, 2020December 31, 2019
Carrying
Value
Fair
Value
Carrying
Value
Fair
Value
2021 Notes$364,219  $294,685  $373,374  $343,470