Derivative Instruments - Commodity Derivative Contracts (Details) MWh in Thousands, MMBTU in Thousands	12 Months Ended
Dec. 31, 2024 MWh	Dec. 31, 2024 MMBTU	Dec. 31, 2023 MWh	Dec. 31, 2023 MMBTU
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume outstanding (MWh / MMBtu)	6,720	18,595	9,611	61,119
Cleco Power
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume outstanding (MWh / MMBtu)	6,720	18,595	9,611	19,915

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.

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