Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

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

	December 31,
	2020		2019
Oil and natural gas properties
Proved	$	1,463,950	$	1,484,359
Unproved	17,964		24,603
Total oil and natural gas properties	1,481,914		1,508,962
Less accumulated depreciation, depletion and impairment	(1,375,692)		(1,129,622)
Net oil and natural gas properties capitalized costs	106,222		379,340
Land	200		4,400
Electrical infrastructure	121,819		126,482
Non-oil and natural gas equipment	1,563		12,665
Buildings and structures	3,603		77,148
Financing Leases	1,051		2,109
Total	128,236		222,804
Less accumulated depreciation and amortization	(25,118)		(34,201)
Other property, plant and equipment, net	103,118		188,603
Total property, plant and equipment, net	$	209,340	$	567,943