ACQUISITIONS - 2020 Activity (Details) - Mineral interests in Permian Basin $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($) a
Business Acquisition [Line Items]
Mineral interests acquired, gross acres (in acre)	4,948
Mineral interests acquired, net royalty acres (in acre)	410
Aggregate purchase price \| $	$ 63.4

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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