Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 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
Property, Plant and Equipment, net
Property, plant and equipment, gross	216,766	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
Land
Property, Plant and Equipment, net
Property, plant and equipment, gross	4,400	4,400
Electrical infrastructure
Property, Plant and Equipment, net
Property, plant and equipment, gross	121,818	126,482
Other non-oil and natural gas equipment
Property, Plant and Equipment, net
Property, plant and equipment, gross	11,553	12,665
Buildings and structures
Property, Plant and Equipment, net
Property, plant and equipment, gross	77,148	77,148
Financing leases
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 1,847	$ 2,109

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Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities.

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The sum of the capitalized costs incurred, as of the balance sheet date, of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.

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Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.

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