Supplemental Oil and Natural Gas Disclosures (Unaudited) - Discounted Future Net Cash Flows (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) $ / MMBTU $ / bbl	Dec. 31, 2020 USD ($) $ / bbl $ / MMBTU	Dec. 31, 2019 USD ($) $ / bbl $ / MMBTU	Dec. 31, 2018 USD ($)
Crude Oil
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Average benchmark price (in USD per unit) \| $ / bbl	66.56	39.56	55.69
Crude Oil \| Arithmetic Average
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Average benchmark price (in USD per unit) \| $ / bbl	66.55
Natural Gas
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Average benchmark price (in USD per unit) \| $ / MMBTU	3.60	1.99	2.62
Natural Gas \| Arithmetic Average
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Average benchmark price (in USD per unit) \| $ / MMBTU	3.64
Consolidated operations
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Future cash inflows	$ 21,063,117	$ 8,232,932	$ 15,745,942
Future production costs	(10,194,648)	(4,280,563)	(6,766,410)
Future development costs	(1,477,562)	(1,353,957)	(2,323,420)
Future income taxes	(352,136)	(30,155)	(63,136)
Future net cash flows	9,038,771	2,568,257	6,592,976
Annual discount of 10% for estimated timing	(4,080,471)	(1,240,397)	(3,482,128)
Standardized measure of discounted future net cash flows	4,958,300	1,327,860	3,110,848	$ 4,207,347
Equity affiliate
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items]
Future cash inflows	99,290	0	0
Future production costs	(55,371)	0	0
Future development costs	(2,309)	0	0
Future income taxes	(1,730)	0	0
Future net cash flows	39,880	0	0
Annual discount of 10% for estimated timing	(16,702)	0	0
Standardized measure of discounted future net cash flows	$ 23,178	$ 0	$ 0	$ 0

Sales price per unit of oil and gas produced.

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-Name Regulation S-K (SK)
-Number 229
-Section 1204
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Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.

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Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.

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Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves.

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Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.

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Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.

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Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.

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Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.

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