Oil and Natural Gas Properties - Schedule of Capitalized Costs, Impairment, and Depreciation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Oil And Natural Gas Properties [Line Items]
Impairment of Oil and Gas Properties		$ 42,813	$ 0
Proved properties	$ 994,333	994,333		$ 970,808
Net oil and gas properties	995,669	995,669		1,040,894
Unproved properties	238,551	238,551		260,271
Land	5,382	5,382		5,382
Total oil and gas properties, net of accumulated impairments	1,238,266	1,238,266		1,236,461
Accumulated depreciation, depletion and amortization	(242,597)	(242,597)		(195,567)
Proved Oil and Natural Gas Properties
Oil And Natural Gas Properties [Line Items]
Impairment of Oil and Gas Properties	0	25,252
Proved properties	1,094,985	1,094,985		1,046,208
Accumulated impairment	(100,652)	(100,652)		(75,400)
Net oil and gas properties	994,333	994,333		970,808
Unproved Oil and Gas Properties
Oil And Natural Gas Properties [Line Items]
Impairment of Oil and Gas Properties	62	17,561
Accumulated impairment	(63,250)	(63,250)		(45,690)
Net oil and gas properties	238,551	238,551		260,271
Unproved properties	$ 301,801	$ 301,801		$ 305,961

Oil and natural gas properties.

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The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount of accumulated depreciation, depletion and amortization of oil and gas property carried under the successful effort method. Oil and gas property include, but not limited to, the entity's wells and related equipment and facilities.

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Accumulated impairment of oil and gas property carried under the successful effort method.

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Oil and Gas properties, gross, carried under the successful effort method.

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Oil and gas properties net of accumulated depreciation, depletion, amortization, impairment, and abandonment, carried under the successful effort method.

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Oil and Gas properties with proved reserves under the successful effort method.

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Oil and Gas properties with unproved reserves under the successful effort method.

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