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Stock Based Compensation - Additional Information (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
New common stock shares issued	82,321
Treasury Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
New common stock shares issued	2,371
Total Shareholder Return [Member] | Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment award non option equity instruments granted	213,442
Average grant date fair Value | $ / shares	$ 43.74
Total Shareholder Return [Member] | Performance Units [Member] | OG&E [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment award non option equity instruments granted	65,069
Average grant date fair Value | $ / shares	$ 43.74
Total Shareholder Return [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment award non option equity instruments granted	114,926
Average grant date fair Value | $ / shares	$ 37.52
Total Shareholder Return [Member] | Restricted Stock Units (RSUs) [Member] | OG&E [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment award non option equity instruments granted	35,034
Average grant date fair Value | $ / shares	$ 37.52

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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