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	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Oxbow’s net assets/liabilities	$ 3,832	$ 3,985
Cleco Power’s 50% equity	1,916	1,992
Cleco Power’s maximum exposure to loss	$ 1,916	$ 1,992
Ownership percentage by Cleco Power	50.00%