PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment Comprised of Fixed Assets and Oil and Gas Properties

Property, plant and equipment is comprised of fixed assets and natural gas properties, as shown below (in thousands):

	December 31,
	2020		2019
Land	$	13,808	$	13,808
Proved properties	62,227		142,494
Wells in progress	492		57
Corporate and other	3,476		5,285
Total property, plant and equipment, at cost	80,003		161,644
Accumulated depreciation and depletion	(38,764)		(22,041)
Right of use asset — finance leases	20,018		13,437
Total property, plant and equipment, net	$	61,257	$	153,040