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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consists of the following (in thousands): 

			December 31,
			2019						2018
Oil and natural gas properties
Proved			$	1,484,359					$	1,269,091
Unproved			24,603						60,152
Total oil and natural gas properties			1,508,962						1,329,243
Less accumulated depreciation, depletion and impairment			(1,129,622)						(580,132)
Net oil and natural gas properties capitalized costs			379,340						749,111
Land			4,400						4,400
Electrical infrastructure			126,482						131,176
Non-oil and natural gas equipment			12,665						13,458
Buildings and structures			77,148						77,148
Financing Leases			2,109						—
Total			222,804						226,182
Less accumulated depreciation and amortization			(34,201)						(25,344)
Other property, plant and equipment, net			188,603						200,838
Total property, plant and equipment, net			$	567,943					$	949,949

Capitalized Costs of Unproved Properties Excluded from Amortization

The following table summarizes the costs, by year incurred, related to unproved properties, which were excluded from oil and natural gas properties subject to amortization at December 31, 2019 (in thousands):

									Year Cost Incurred
			Total						2019						2018						2017						2016 and Prior
Property acquisition			$	23,973					$	2,653					$	2,353					$	4,280					$	14,687
Exploration			630						10						16						564						40
Total costs incurred			$	24,603					$	2,663					$	2,369					$	4,844					$	14,727

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- References

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862

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