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Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consists of the following (in thousands): 
March 31,
2020
December 31, 2019
Oil and natural gas properties
Proved
$1,487,721  $1,484,359  
Unproved
24,298  24,603  
Total oil and natural gas properties
1,512,019  1,508,962  
Less accumulated depreciation, depletion and impairment
(1,160,486) (1,129,622) 
Net oil and natural gas properties
351,533  379,340  
Land4,400  4,400  
Electrical infrastructure121,818  126,482  
Other non-oil and natural gas equipment11,553  12,665  
Buildings and structures77,148  77,148  
Financing leases1,847  2,109  
Total216,766  222,804  
Less accumulated depreciation and amortization
(34,915) (34,201) 
Other property, plant and equipment, net
181,851  188,603  
Total property, plant and equipment, net
$533,384  $567,943