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INVESTMENT - AllDale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Beginning balance	$ 27,268
Equity method investment income	2,130	$ 907	$ 2,203
Ending balance	26,325	27,268
All Dale Minerals III
ASSETS
Beginning balance	27,268	28,529	28,974
Equity method investment income	2,130	907	2,203
Distributions received	(3,073)	(1,895)	(2,648)
Other		(273)
Ending balance	$ 26,325	$ 27,268	$ 28,529

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