Litigation, Other Commitments and Contingencies, and Disclosures about Guarantees (Details)		1 Months Ended				3 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($)	Apr. 30, 2023 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 claim	Nov. 30, 2014 claim	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 29, 2021 USD ($)	Feb. 29, 2020 USD ($)
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss	$ 6,700,000					$ 6,700,000
Guarantor obligations, collateral held directly or by third parties, amount						0
Performance Guarantee
Loss Contingencies [Line Items]
Maximum of potential payments	42,400,000					42,400,000
Indemnification Agreement
Loss Contingencies [Line Items]
Maximum of potential payments	40,000,000					40,000,000
Indemnification Agreement including fundamental organizational structure
Loss Contingencies [Line Items]
Maximum of potential payments	400,000,000					400,000,000
South Central Generating
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss	1,500,000					1,500,000
Gulf Coast Spinning start up costs
Loss Contingencies [Line Items]
Allegations by plaintiff, failure to perform			$ 6,500,000
Gulf Coast Spinning construction of cotton spinning facility
Loss Contingencies [Line Items]
Allegations by plaintiff, failure to perform			$ 60,000,000
Actions filed in the 9th Judicial District Court | Alleged Breach of Fiduciary Duties
Loss Contingencies [Line Items]
Number of actions filed | claim					4
Actions filed in the Civil District Court | Alleged Breach of Fiduciary Duties
Loss Contingencies [Line Items]
Number of actions filed | claim				3	3
CLECO POWER
Loss Contingencies [Line Items]
Guarantor obligations, collateral held directly or by third parties, amount						0
CLECO POWER | Indemnification Agreement
Loss Contingencies [Line Items]
Maximum of potential payments	40,000,000					40,000,000
CLECO POWER | Indemnification Agreement including fundamental organizational structure
Loss Contingencies [Line Items]
Maximum of potential payments	400,000,000					400,000,000
CLECO POWER | Deferred storm restoration costs - Winter Storms Uri & Viola
Loss Contingencies [Line Items]
Capitalized storm restoration costs									$ 50,000,000
CLECO POWER | LPSC 2020-2022 Fuel Audit
Loss Contingencies [Line Items]
Fuel expense						1,100,000,000
CLECO POWER | LPSC 2020-2022 Environmental Audit | Subsequent event
Loss Contingencies [Line Items]
Fuel expense		$ 38,300,000
CLECO POWER | LPSC
Loss Contingencies [Line Items]
Recovery of from energy efficiency programs							$ 8,500,000	$ 6,800,000
Gulf Coast Spinning Company, LLC | Gulf Coast Spinning construction of cotton spinning facility | Diversified Lands LLC
Loss Contingencies [Line Items]
Loans payable										$ 2,000,000
Cleco Cajun
Loss Contingencies [Line Items]
Decrease in ARO balance	19,700,000
Indemnification assets, maximum environmental costs	25,000,000					25,000,000
Indemnification assets	$ 17,500,000					$ 17,500,000