Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Credit Losses - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
BALANCE AT BEGINNING OF PERIOD	$ 1,147	$ 1,302	$ 2,758
ADDITIONS	6,804	4,645	5,463
DEDUCTIONS	4,939	4,800	6,919
BALANCE AT END OF PERIOD	3,012	1,147	1,302
CLECO POWER
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
BALANCE AT BEGINNING OF PERIOD	1,147	1,302	2,758
ADDITIONS	6,804	4,645	5,463
DEDUCTIONS	4,939	4,800	6,919
BALANCE AT END OF PERIOD	$ 3,012	$ 1,147	$ 1,302