Annual report pursuant to Section 13 and 15(d)

Supplemental Information on Oil and Natural Gas Properties (Unaudited) - Capitalized Costs (Details)

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Supplemental Information on Oil and Natural Gas Properties (Unaudited) - Capitalized Costs (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Oil and Gas Exploration and Production Industries Disclosures [Abstract]    
Evaluated properties $ 9,238,823 $ 7,894,513
Unevaluated properties 1,812,827 1,733,250
Total oil and natural gas properties 11,051,650 9,627,763
Accumulated depreciation, depletion, amortization and impairment 5,886,002 5,538,803
Total oil and natural gas properties capitalized $ 5,165,648 $ 4,088,960