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Oil and Gas Reserves Information (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2022
Extractive Industries [Abstract]  
Summary of Changes in Net Quantities of Crude Oil and Natural Gas Reserves
Set forth below is a summary of the Company's proved oil and natural gas reserves:
Year Ended December 31,
202220212020
Oil
(MBbls)		Natural
Gas
(MMcf)		Oil
(MBbls)		Natural
Gas
(MMcf)		Oil
(MBbls)		Natural
Gas
(MMcf)
Proved Reserves:
Beginning of period627 6,118,083 11,000 5,562,876 16,747 5,341,497 
Revisions of previous estimates(61)(6,870)145 88,546 (4,241)306,552 
Extensions and discoveries137 1,090,420 — 797,198 2 365,663 
Acquisitions of minerals in place6 260 — 202,588 — — 
Sales of minerals in place(78)(3,707)(9,308)(43,851)— — 
Production(82)(500,616)(1,210)(489,274)(1,508)(450,836)
End of period549 6,697,570 627 6,118,083 11,000 5,562,876 
Proved Developed Reserves:
Beginning of period627 2,245,660 11,000 1,967,288 15,104 1,890,357 
End of period480 2,531,462 627 2,245,660 11,000 1,967,288 
Proved Undeveloped Reserves:
Beginning of period— 3,872,423 — 3,595,588 1,643 3,451,140 
End of period69 4,166,108 — 3,872,423 — 3,595,588 
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves
The following table sets forth the standardized measure of discounted future net cash flows relating to proved reserves:
As of December 31,
202220212020
(In thousands)
Cash Flows Relating to Proved Reserves:
Future Cash Flows$40,405,829 $20,396,381 $9,871,616 
Future Costs:
Production(5,473,650)(3,954,726)(3,173,350)
Development and Abandonment(4,175,721)(2,752,603)(2,592,520)
Future Income Taxes(5,741,914)(2,065,316)(154,872)
Future Net Cash Flows25,014,544 11,623,736 3,950,874 
10% Discount Factor
(12,404,908)(5,848,131)(2,015,149)
Standardized Measure of Discounted Future Net Cash Flows$12,609,636 $5,775,605 $1,935,725 
Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves
The following table sets forth the changes in the standardized measure of discounted future net cash flows relating to proved reserves:
Year Ended December 31,
202220212020
(In thousands)
Standardized Measure, Beginning of Year$5,775,605 $1,935,725 $2,913,211 
Net change in sales price, net of production costs8,600,315 5,012,696 (1,858,026)
Development costs incurred during the year which were previously estimated788,450 502,674 302,135 
Revisions of quantity estimates(42,423)119,200 215,268 
Accretion of discount680,010 199,124 326,074 
Changes in future development and abandonment costs(869,115)1,505 313,191 
Changes in timing and other(113,744)(224,617)(127,663)
Extensions and discoveries2,456,124 679,418 180,624 
Acquisitions of minerals in place604 150,065 — 
Sales of minerals in place(3,313)(64,032)— 
Sales, net of production costs(2,779,960)(1,567,182)(612,194)
Net changes in income taxes(1,882,917)(968,971)283,105 
Standardized Measure, End of Year$12,609,636 $5,775,605 $1,935,725 
Summary of Prices Used in Determining Oil and Natural Gas Reserves Quantities and Cash Flows Prices used in determining oil and natural gas reserves quantities and cash flows are as follows:
Year Ended December 31,
202220212020
Crude Oil: $/barrel$91.21 $62.38 $32.88 
Natural Gas: $/Mcf$6.03 $3.33 $1.71