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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Oil and natural gas properties    
Proved $ 1,539,497 $ 1,538,724
Unproved 11,215 11,197
Total oil and natural gas properties 1,550,712 1,549,921
Less: accumulated depreciation, depletion and impairment (1,396,534) (1,393,801)
Net oil and natural gas properties capitalized costs 154,178 156,120
Property, Plant and Equipment, net    
Financing leases 1,373 1,399
Total 128,668 128,677
Less: accumulated depreciation and amortization (43,606) (42,184)
Other property, plant and equipment, net 85,062 86,493
Total property, plant and equipment, net 239,240 242,613
Land    
Property, Plant and Equipment, net    
Property, plant and equipment, gross 200 200
Electrical infrastructure    
Property, Plant and Equipment, net    
Property, plant and equipment, gross 121,819 121,819
Non-oil and natural gas equipment    
Property, Plant and Equipment, net    
Property, plant and equipment, gross 1,673 1,656
Building and structures    
Property, Plant and Equipment, net    
Property, plant and equipment, gross $ 3,603 $ 3,603