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Stock Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2024
Stock-Based Compensation [Abstract] |
Schedule of Pre-tax Compensation Expense and Related Income Tax Benefit | The following table presents the Registrants' pre-tax compensation expense and related income tax benefit for the three months ended March 31, 2024 and 2023 related to performance units and restricted stock units for the Registrants' employees.
|  | OGE Energy |  |  | OG&E |
|  | Three Months Ended |  |  | Three Months Ended |
|  | March 31, |  |  | March 31, |
(In millions) |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Performance units |  | $ | 2.2 |  |  | $ | 2.2 |  |  | $ | 2.2 |  |  | $ | 0.5 |
Restricted stock units |  |  | 1.0 |  |  |  | 0.8 |  |  |  | 1.0 |  |  |  | 0.1 |
Total compensation expense |  | $ | 3.2 |  |  | $ | 3.0 |  |  | $ | 3.2 |  |  | $ | 0.6 |
Income tax benefit |  | $ | 0.8 |  |  | $ | 0.7 |  |  | $ | 0.8 |  |  | $ | 0.1 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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