Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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+ Details

TRANSACTIONS WITH RELATED PARTIES (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Kaiser Francis Oil Company
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 0.7	$ 0.6	$ 4.2	$ 1.0
Revenue from Related Parties	3.6	0.3	7.5	1.3
G. Bailey Peyton IV
Related Party Transaction [Line Items]
Payments for royalties	$ 0.1	$ 0.1	$ 0.3	$ 0.2
Peyton Royalties, LP \| G. Bailey Peyton IV
Related Party Transaction [Line Items]
Related party ownership percentage					99.50%