Revenues Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	$ 1,791,720	$ 2,274,261
Bakken
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	949,805	1,203,185
Anadarko Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	421,201	624,521
Powder River Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	115,005	88,207
Permian Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	262,459	300,808
Other [Member]
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	43,250	57,540
Crude oil sales
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	1,385,436	1,643,847
Crude oil sales | Bakken
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	796,920	963,317
Crude oil sales | Anadarko Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	200,981	281,163
Crude oil sales | Powder River Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	100,748	79,915
Crude oil sales | Permian Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	243,605	262,383
Crude oil sales | Other [Member]
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	43,182	57,069
Natural gas sales
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	406,284	630,414
Natural gas sales | Bakken
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	152,885	239,868
Natural gas sales | Anadarko Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	220,220	343,358
Natural gas sales | Powder River Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	14,257	8,292
Natural gas sales | Permian Basin
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	18,854	38,425
Natural gas sales | Other [Member]
Disaggregation of Revenue [Line Items]
Crude oil, natural gas, and natural gas liquids sales	$ 68	$ 471