Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition and Deferred Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

Disaggregated Revenue. The following table presents crude oil, natural gas and NGLs sales disaggregated by commodity and operating region for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,						Six Months Ended June 30,
Revenue by Commodity and Operating Region	2020		2019		Percent Change		2020		2019		Percent Change
	(in thousands)
Crude oil
Wattenberg Field	$	93,540	$	203,548	(54.0	)%	$	300,189	$	383,974	(21.8	)%
Delaware Basin	22,231		70,620		(68.5	)%	64,756		121,277		(46.6	)%
Total	$	115,771	$	274,168	(57.8	)%	$	364,945	$	505,251	(27.8	)%
Natural gas
Wattenberg Field	$	29,443	$	30,129	(2.3	)%	$	69,520	$	76,831	(9.5	)%
Delaware Basin	1,605		910		76.4	%	1,042		6,680		(84.4	)%
Total	$	31,048	$	31,039	—	%	$	70,562	$	83,511	(15.5	)%
NGLs
Wattenberg Field	$	22,762	$	22,677	0.4	%	$	48,004	$	50,399	(4.8	)%
Delaware Basin	4,340		11,072		(60.8	)%	10,725		20,894		(48.7	)%
Total	$	27,102	$	33,749	(19.7	)%	$	58,729	$	71,293	(17.6	)%
Crude oil, natural gas and NGLs
Wattenberg Field	$	145,745	$	256,354	(43.1	)%	$	417,713	$	511,204	(18.3	)%
Delaware Basin	28,176		82,602		(65.9	)%	76,523		148,851		(48.6	)%
Total	$	173,921	$	338,956	(48.7	)%	$	494,236	$	660,055	(25.1	)%