Income Taxes - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Uncertain Tax Positions [Line Items]
Interest expense related to uncertain tax positions	$ 0	$ 0
Liability for uncertain tax positions	0		$ 0
Interest payable related to uncertain tax positions	0		0
Penalties	0	0
CLECO POWER
Uncertain Tax Positions [Line Items]
Interest expense related to uncertain tax positions	0	$ 0
Liability for uncertain tax positions	0		0
Interest payable related to uncertain tax positions	$ 0		$ 0