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Supplemental Oil and Gas Disclosures - Schedule of Capitalized Costs Related to Oil, Natural Gas and NGL Activities and Related Accumulated Depletion and Amortization (Details) $ in Thousands	Dec. 31, 2020 USD ($) $ / MBoe	Dec. 31, 2019 USD ($) $ / MBoe
Extractive Industries [Abstract]
Proved properties	$ 4,945,550	$ 4,066,260
Unproved oil and gas properties, not subject to amortization	254,994	194,532
Total oil and gas properties	5,200,544	4,260,792
Less: Accumulated depletion	(2,680,254)	(2,051,856)
Net capitalized costs	$ 2,520,290	$ 2,208,936
Depletion and amortization rate (Per Boe) | $ / MBoe	31.42	18.05

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Amortization computed on the basis of physical units, with oil and gas converted to a common unit of measure on the basis of their approximate relative energy content.

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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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The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation.

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Net amount of capitalized costs relating to oil and gas producing activities.

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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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