Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consists of the following (in thousands): 

	December 31,
	2021		2020
Oil and natural gas properties
Proved	$	1,454,016	$	1,463,950
Unproved	12,255		17,964
Total oil and natural gas properties	1,466,271		1,481,914
Less accumulated depreciation, depletion and impairment	(1,373,217)		(1,375,692)
Net oil and natural gas properties capitalized costs	93,054		106,222
Land	200		200
Electrical infrastructure	121,819		121,819
Non-oil and natural gas equipment	1,575		1,563
Buildings and structures	3,603		3,603
Financing Leases	1,384		1,051
Total	128,581		128,236
Less accumulated depreciation and amortization	(30,790)		(25,118)
Other property, plant and equipment, net	97,791		103,118
Total property, plant and equipment, net	$	190,845	$	209,340