Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

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 periods presented:

	Three Months Ended September 30,						Nine Months Ended September 30,
Revenue by Commodity and Operating Region	2021		2020		Percent Change		2021		2020		Percent Change
	(in thousands)
Crude oil
Wattenberg Field	$	341,822	$	183,420	86	%	$	869,336	$	483,608	80	%
Delaware Basin	80,751		42,591		90	%	177,587		107,347		65	%
Total	$	422,573	$	226,011	87	%	$	1,046,923	$	590,955	77	%
Natural gas
Wattenberg Field	$	116,263	$	39,759	192	%	$	287,949	$	109,279	164	%
Delaware Basin	19,207		2,140		*		38,970		3,183		*
Total	$	135,470	$	41,899	223	%	$	326,919	$	112,462	191	%
NGLs
Wattenberg Field	$	121,837	$	38,871	213	%	$	283,119	$	86,875	226	%
Delaware Basin	23,256		8,139		186	%	47,435		18,864		151	%
Total	$	145,093	$	47,010	209	%	$	330,554	$	105,739	213	%
Crude oil, natural gas and NGLs
Wattenberg Field	$	579,922	$	262,050	121	%	$	1,440,404	$	679,762	112	%
Delaware Basin	123,214		52,870		133	%	263,992		129,394		104	%
Total	$	703,136	$	314,920	123	%	$	1,704,396	$	809,156	111	%

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* Percent change is not meaningful.

Contract with Customer, Asset and Liability

The following table presents the changes in carrying amounts of the contract assets associated with our crude oil, natural gas and NGLs sales revenue for the nine months ended September 30, 2021:

	(in thousands)
Beginning balance	$	25,872
Reduction to additions previously recognized	(2,574)
Amortized as a reduction to crude oil, natural gas and NGLs sales	(2,181)
Ending balance	$	21,117