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Property, Plant and Equipment
3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and EquipmentProperty, plant and equipment consists of the following (in thousands):
March 31,
2022
December 31, 2021
Oil and natural gas properties
Proved
$1,459,713 $1,454,016 
Unproved
12,478 12,255 
Total oil and natural gas properties
1,472,191 1,466,271 
Less: accumulated depreciation, depletion and impairment(1,374,767)(1,373,217)
Net oil and natural gas properties 97,424 93,054 
Land200 200 
Electrical infrastructure121,819 121,819 
Other non-oil and natural gas equipment1,620 1,575 
Buildings and structures3,603 3,603 
Financing leases1,252 1,384 
Total128,494 128,581 
Less: accumulated depreciation and amortization(32,212)(30,790)
Other property, plant and equipment, net
96,282 97,791 
Total property, plant and equipment, net
$193,706 $190,845