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Stock-Based Compensation - Fair Value of Vested Performance Units and Restricted Stock (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair Value of Vested Performance Units and Restricted Stock	$ 7.9	$ 9.0	$ 6.2
Performance Units [Member] | Og and E [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair Value of Vested Performance Units and Restricted Stock	7.9	2.4	1.7
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair Value of Vested Performance Units and Restricted Stock	3.6	2.4	2.1
Restricted Stock [Member] | Og and E [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair Value of Vested Performance Units and Restricted Stock	$ 3.6	$ 0.6	$ 0.5

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