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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, plant and equipment consists of the following (in thousands):
September 30,
2022
December 31,
2021
Oil and natural gas properties
Proved
$1,493,956 $1,454,016 
Unproved
11,553 12,255 
Total oil and natural gas properties
1,505,509 1,466,271 
Less: accumulated depreciation, depletion and impairment(1,377,639)(1,373,217)
Net oil and natural gas properties 127,870 93,054 
Land200 200 
Electrical infrastructure121,819 121,819 
Other non-oil and natural gas equipment1,638 1,575 
Building and structures3,603 3,603 
Financing leases1,497 1,384 
Total128,757 128,581 
Less: accumulated depreciation and amortization(35,066)(30,790)
Other property, plant and equipment, net
93,691 97,791 
Total property, plant and equipment, net
$221,561 $190,845