Debt (Details) - Cleco Holdings' Senior Notes Due 2025 - Subsequent event $ in Millions	May 01, 2023 USD ($)
Debt [Line Items]
Debt, face amount	$ 165.0
Secured Overnight Financing Rate (SOFR)
Debt [Line Items]
Basis spread on variable rate	1.725%

Face (par) amount of debt instrument at time of issuance.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant