Derivative Instruments - Volume of Commodity-Related Derivative Contracts (Details) MWh in Thousands, MMBTU in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2023 MWh	Mar. 31, 2023 MMBTU	Dec. 31, 2022 MWh	Dec. 31, 2022 MMBTU
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume outstanding (MWh / MMBtu)	3,517	14,480	9,085	4,840
CLECO POWER
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume outstanding (MWh / MMBtu)	3,517	14,480	9,085	4,840

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.

No definition available.

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration