Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2021

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, proved oil and natural gas properties and financing leases, as shown below (in thousands):

	September 30, 2021		December 31, 2020
Land and land improvement	$	15,284	$	13,808
Proved properties	76,406		62,227
Wells in progress	11,200		492
Corporate and other	3,476		3,476
Total property, plant and equipment at cost	106,366		80,003
Accumulated DD&A	(47,424)		(38,764)
Right of use asset — financing leases	58,176		20,018
Total property, plant and equipment, net	$	117,118	$	61,257