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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consists of the following (in thousands): 
September 30,
2019
December 31, 2018
Oil and natural gas properties
Proved
$1,455,609  $1,269,091  
Unproved
26,107  60,152  
Total oil and natural gas properties
1,481,716  1,329,243  
Less accumulated depreciation, depletion and impairment
(855,765) (580,132) 
Net oil and natural gas properties
625,951  749,111  
Land4,400  4,400  
Electrical infrastructure126,482  131,176  
Other non-oil and natural gas equipment13,083  13,458  
Buildings and structures77,148  77,148  
Financing leases2,305  —  
Total223,418  226,182  
Less accumulated depreciation and amortization
(32,138) (25,344) 
Other property, plant and equipment, net
191,280  200,838  
Total property, plant and equipment, net
$817,231  $949,949