Variable Interest Entities - Equity Method Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Total equity investment in investee	$ 2,072		$ 2,072
Operating revenue, net	320,581	$ 312,627
CLECO POWER
Schedule of Equity Method Investments [Line Items]
Purchase price	12,873		12,873
Cash contributions	6,399		6,399
Distributions	(17,200)		(17,200)
Total equity investment in investee	2,072		$ 2,072
Operating revenue, net	324,688	316,504
CLECO POWER | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Operating revenue, net	124	66
Operating expenses	(124)	(66)
Income before taxes	$ 0	$ 0