Fair Value Accounting and Financial Instruments - Volume of Commodity-Related Derivative Contracts (Details) MWh in Thousands, MMBTU in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022 MWh	Sep. 30, 2022 MMBTU	Dec. 31, 2021 MWh	Dec. 31, 2021 MMBTU
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Volume outstanding	23,678	91,710	14,055	109,306
CLECO POWER
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Volume outstanding	14,642	1,860	8,899	0

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