Variable Interest Entities - Schedule of Carrying Amount of Assets and Liabilities with Maximum Exposure to Loss (Details) - CLECO POWER - VIE, Not Primary Beneficiary - Oxbow - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Oxbow’s net assets/liabilities	$ 3,985	$ 4,145
Cleco Power’s 50% equity	1,992	2,072
Cleco Power’s maximum exposure to loss	$ 1,992	$ 2,072
Ownership percentage by Cleco Power	50.00%