SUPPLEMENTAL OIL AND GAS INFORMATION (UNAUDITED) - Narrative (Details)	12 Months Ended
	Dec. 31, 2022 Boe MMBoe	Dec. 31, 2021 MMBoe	Dec. 31, 2020 MMBoe
Reserve Quantities [Line Items]
Downward adjustment attributable to removal of undeveloped drilling locations | Boe	14.4
Oil Revenues
Reserve Quantities [Line Items]
Extension and discoveries attributable to successful drilling	31.6
Proved Developed Reserves	13.3
Purchase of mineral in place		131.8
Increase (decrease) to proved reserves	(5.2)	34.8	(36.9)
Upward (downward) adjustment attributable to higher crude oil and natural gas prices	10.2	50.2
Upward (downward) adjustment attributable to lower crude oil and natural gas prices			(33.8)
Downward adjustment due to well performance	1.0	1.1	(0.7)
Downward adjustment attributable to removal of undeveloped drilling locations		(14.2)	(2.3)
Williston Basin | Oil Revenues
Reserve Quantities [Line Items]
Extension and discoveries attributable to successful drilling		18.2	8.3
Proved Developed Reserves		4.9	3.1
Additional Locations | Oil Revenues
Reserve Quantities [Line Items]
Proved Developed Reserves	18.3	13.3	5.2