SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) - Change in Standard Measure of Discounted Future Net Cash Flows (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Oil and Gas, Change in Standardized Measure, Discounted Future Net Cash Flow [Line Items] | |||
| Standardized of discounted future net cash flows, beginning of year | $ 740.1 | $ 683.2 | $ 2,263.0 |
| Sales and transfers of oil, NGL and natural gas produced, net of production costs | (167.6) | (205.1) | (240.1) |
| Net changes in prices and production costs | (208.6) | 38.6 | (1,241.4) |
| Net change in future development costs | (1.8) | (102.1) | (22.0) |
| Revisions of quantity estimates | 193.1 | (16.7) | (828.8) |
| Acquisition of reserves in place | 245.9 | 72.0 | |
| Sale of minerals in place | (6.1) | ||
| Accretion of discount | 89.5 | 79.2 | 285.7 |
| Net change in income taxes | 24.0 | (45.6) | 443.1 |
| Changes in timing and other | (11.3) | 62.7 | (48.3) |
| Standardized measure of discounted future net cash flows, end of year | $ 651.3 | $ 740.1 | $ 683.2 |
| X | ||||||||||
- Definition Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after discount, future accumulated cash outflow for development and production costs, and future income tax expense, of estimated future accumulated cash inflow for proved oil and gas reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase in standardized measure of discounted future net cash flow as a result of acquisition of reserves in place No definition available.
|