ACQUISITIONS (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($) a	Mar. 31, 2019 USD ($) a
Business Acquisition [Line Items]
Mineral properties, net royalty acres	24,714	15,469
Mineral interests in Permian Basin
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
Miscellaneous Mineral Interests Acquired
Business Acquisition [Line Items]
Mineral interests acquired, net royalty acres (in acre)		627
Aggregate purchase price \| $		$ 82.7

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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