Affiliate Transactions - Summary of Balances Payable To or Due From Affiliates (Details) - Cleco Power - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Affiliate Transaction [Line Items]
Accounts receivable - affiliate	$ 4,543	$ 3,771
Accounts payable - affiliate	13,200	12,448
Cleco Holdings
Affiliate Transaction [Line Items]
Accounts receivable - affiliate	14	5
Accounts payable - affiliate	367	1,138
Support Group
Affiliate Transaction [Line Items]
Accounts receivable - affiliate	1,104	2,299
Accounts payable - affiliate	12,833	11,305
Cleco Cajun
Affiliate Transaction [Line Items]
Accounts receivable - affiliate	3,425	1,467
Accounts payable - affiliate	$ 0	$ 5

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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