Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

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 December 31, 2018 and 2017 (in thousands).

	Fair Value Measurements at December 31, 2018 using
Description
	Level 1		Level 2		Level 3		Total
Assets (Liabilities)
Oil derivatives and basis swaps	$	—	$	49,562	$	—	$	49,562
Natural gas derivatives	—		284		—		284
Total	$	—	$	49,846	$	—	$	49,846

	Fair Value Measurements at December 31, 2017 using
Description
	Level 1		Level 2			Level 3		Total
Assets (Liabilities)
Oil derivatives and basis swaps	$	—	$	(16,429	)	$	—	$	(16,429	)
Natural gas derivatives	—		1,190			—		1,190
Total	$	—	$	(15,239	)	$	—	$	(15,239	)