TRANSACTIONS WITH RELATED PARTIES (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Aug. 31, 2020
Kaiser Francis Oil Company
Related Party Transaction [Line Items]
Payments made to related parties	$ 5.7	$ 0.5	$ 1.8
Payments received from related parties	6.2	0.3	$ 1.6
Cactus Drilling Company
Related Party Transaction [Line Items]
Payments made to related parties	0.8
G. Bailey Peyton IV
Related Party Transaction [Line Items]
Payments for royalties	$ 0.4	$ 0.2
Peyton Royalties, LP | G. Bailey Peyton IV
Related Party Transaction [Line Items]
Related party ownership percentage	99.50%