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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consists of the following (in thousands): 
June 30,
2019
December 31, 2018
Oil and natural gas properties
Proved
$1,390,054 $1,269,091 
Unproved
46,274 60,152 
Total oil and natural gas properties
1,436,328 1,329,243 
Less accumulated depreciation, depletion and impairment
(652,709)(580,132)
Net oil and natural gas properties
783,619 749,111 
Land4,400 4,400 
Electrical infrastructure131,176 131,176 
Other non-oil and natural gas equipment13,327 13,458 
Buildings and structures77,148 77,148 
Financing leases2,083 — 
Total 228,134 226,182 
Less accumulated depreciation and amortization
(30,428)(25,344)
Other property, plant and equipment, net
197,706 200,838 
Total property, plant and equipment, net
$981,325 $949,949