| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross | 179.13M | as of 2025-12-31 |
| Current Federal Tax Expense (Benefit) | 118.70M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 3.70M | 2025-01-01 → 2025-12-31 |
| Current Income Tax Expense (Benefit) | 122.40M | 2025-01-01 → 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | 6.55M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | 9.00K | 2025-01-01 → 2025-12-31 |
| Prepaid Expense and Other Assets, Current | 5.29M | as of 2025-12-31 |
| Share-based Payment Arrangement, Expense | 15.13M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 128.17M | 2025-01-01 → 2025-12-31 |
| Equity Securities, FV-NI, Cost | 50.00M | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 2.93M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Expense, Tax Benefit | 3.20M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | 12.40M | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Credit, Amount | 1.86M | 2025-01-01 → 2025-12-31 |
| SegmentExpenditureAdditionToLongLivedAssets | 65.95M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount | 289.00K | 2025-01-01 → 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year One | 2.34M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Two | 2.34M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Three | 2.34M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Four | 2.34M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Five | 2.34M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, after Year Five | 21.14M | as of 2025-12-31 |
| Treasury Stock, Value, Acquired, Cost Method | 8.40M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Service Cost | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Interest Cost | 206.00K | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 882.00K | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Amortization of Gain (Loss) | 197.00K | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | -873.00K | 2025-01-01 → 2025-12-31 |
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | 170.20M | as of 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Amount | 14.56M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation | 3.93M | as of 2025-12-31 |
| Capitalized Costs, Mineral Interests in Unproved Properties | 528.15M | as of 2025-12-31 |
| Defined Benefit Plan, Funded (Unfunded) Status of Plan | 10.63M | as of 2025-12-31 |
| Capitalized Costs, Mineral Interests in Proved Properties | 369.28M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 164.00K | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Decrease for Tax Withholding Obligation | 14.79M | 2025-01-01 → 2025-12-31 |
| Capitalized Costs, Oil and Gas Producing Activities, Gross | 897.44M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Benefits Paid | 7.00K | 2025-01-01 → 2025-12-31 |
| Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities | 57.41M | as of 2025-12-31 |
| Capitalized Costs, Oil and Gas Producing Activities, Net | 840.02M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment | 0 | 2025-01-01 → 2025-12-31 |
| Costs Incurred, Acquisition of Unproved Oil and Gas Properties | 232.07M | 2025-01-01 → 2025-12-31 |
| Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves | 218.30M | 2025-01-01 → 2025-12-31 |
| Costs Incurred, Acquisition of Oil and Gas Properties | 450.37M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease) | 100.00K | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) | 1.96M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Contributions by Employer | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Benefits Paid | 7.00K | 2025-01-01 → 2025-12-31 |
| Stock Issued During Period, Value, New Issues | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Payment for Settlement | 0 | 2025-01-01 → 2025-12-31 |
| Results of Operations, Revenue from Oil and Gas Producing Activities | 411.68M | 2025-01-01 → 2025-12-31 |
| Results of Operations, Production or Lifting Costs | 7.91M | 2025-01-01 → 2025-12-31 |
| Results of Operations, Depreciation, Depletion and Amortization, and Valuation Provisions | 42.74M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 2.98M | as of 2025-12-31 |
| Operating Lease, Cost | 1.40M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position | 10.63M | as of 2025-12-31 |
| Results of Operations, Income Tax Expense | 79.14M | 2025-01-01 → 2025-12-31 |
| Results of Operations, Oil and Gas Producing Activities Net Income (Excluding Corporate Overhead and Interest Costs) | 281.89M | 2025-01-01 → 2025-12-31 |
| Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows | 2.36B | as of 2025-12-31 |
| Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs | 175.56M | as of 2025-12-31 |
| Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense | 297.37M | as of 2025-12-31 |
| Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows | 1.88B | as of 2025-12-31 |
| Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows | 869.26M | as of 2025-12-31 |
| Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves | 1.02B | as of 2025-12-31 |
| Changes in Estimated Future Development Costs | -196.25M | 2025-01-01 → 2025-12-31 |
| Sales and Transfers of Oil and Gas Produced, Net of Production Costs | 403.77M | 2025-01-01 → 2025-12-31 |
| Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs | 327.78M | 2025-01-01 → 2025-12-31 |
| Increase Due to Purchases of Minerals in Place | 153.96M | 2025-01-01 → 2025-12-31 |
| Revisions of Previous Quantity Estimates | -81.73M | 2025-01-01 → 2025-12-31 |
| Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount | 122.84M | 2025-01-01 → 2025-12-31 |
| Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves | 57.53M | 2025-01-01 → 2025-12-31 |
| Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other | 26.54M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax | 5.09M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 1.61M | as of 2025-12-31 |
| Deferred Tax Assets, Deferred Income | 8.82M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 2.40M | as of 2025-12-31 |
| Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | -5.09M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 2.27M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 2.34M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Five | 2.40M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, after Year Five | 14.22M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 25.25M | as of 2025-12-31 |
| Deferred Tax Assets, Other | 260.00K | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 15.80M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 7.46M | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 69.90M | as of 2025-12-31 |
| Deferred Tax Liabilities, Property, Plant and Equipment | 23.48M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year One | 83.00K | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Two | 4.28M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Three | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Four | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Five | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years | 0 | as of 2025-12-31 |
| Deferred Tax Liabilities, Leasing Arrangements | 2.88M | as of 2025-12-31 |
| Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs | 5.91M | as of 2025-12-31 |
| Deferred Tax Liabilities, Other | 0 | as of 2025-12-31 |
| Deferred Tax Liabilities, Net | 54.11M | as of 2025-12-31 |
| Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation | 3.93M | as of 2025-12-31 |
| Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets | 14.56M | as of 2025-12-31 |
| Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation | 3.93M | as of 2025-12-31 |
| Defined Contribution Plan, Employer Discretionary Contribution Amount | 1.10M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits | 0 | as of 2025-12-31 |
| Other Postretirement Benefits Cost (Reversal of Cost) | -873.00K | 2025-01-01 → 2025-12-31 |
| Other Receivables | 164.91M | as of 2025-12-31 |
| APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 15.46M | 2025-01-01 → 2025-12-31 |