Variable Interest Entities - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Equity investment in investee	$ 2,072	$ 2,072
CLECO POWER
Variable Interest Entity [Line Items]
Equity investment in investee	$ 2,072	$ 2,072
CLECO POWER | VIE, Not Primary Beneficiary - Oxbow
Variable Interest Entity [Line Items]
Ownership percentage by Cleco Power	50.00%
SWEPCO | VIE, Not Primary Beneficiary - Oxbow
Variable Interest Entity [Line Items]
Ownership percentage by other parties	50.00%