Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The tables below present the disaggregation of oil, gas, and NGL production revenue by product type for each of the Company’s operating regions for the three and six months ended June 30, 2018, and 2017:

	Permian						South Texas & Gulf Coast						Rocky Mountain						Total
	Three Months Ended June 30,						Three Months Ended June 30,						Three Months Ended June 30,						Three Months Ended June 30,
	2018			2017			2018			2017			2018			2017			2018			2017
	(in thousands)
Oil, gas, and NGL production revenue:
Oil production revenue	$	227,636		$	78,554		$	19,346		$	13,072		$	19,168		$	37,248		$	266,150		$	128,874
Gas production revenue	31,734			12,937			52,235			87,760			95			1,043			84,064			101,740
NGL production revenue	129			107			52,248			53,558			(33		)	660			52,344			54,325
Total	$	259,499		$	91,598		$	123,829		$	154,390		$	19,230		$	38,951		$	402,558		$	284,939
Relative percentage	64		%	32		%	31		%	54		%	5		%	14		%	100		%	100		%

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Note: Amounts may not calculate due to rounding.

	Permian						South Texas & Gulf Coast						Rocky Mountain						Total
	Six Months Ended June 30,						Six Months Ended June 30,						Six Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017			2018			2017			2018			2017
	(in thousands)
Oil, gas, and NGL production revenue:
Oil production revenue	$	433,430		$	160,053		$	38,929		$	51,936		$	54,851		$	84,509		$	527,210		$	296,498
Gas production revenue	56,611			24,246			104,968			175,961			1,594			2,714			163,173			202,921
NGL production revenue	253			254			94,018			116,915			790			1,549			95,061			118,718
Total	$	490,294		$	184,553		$	237,915		$	344,812		$	57,235		$	88,772		$	785,444		$	618,137
Relative percentage	63		%	30		%	30		%	56		%	7		%	14		%	100		%	100		%

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Note: Amounts may not calculate due to rounding.