Storm Restoration (Details) - Cleco Power customer in Thousands, $ in Millions		2 Months Ended
	Sep. 11, 2024 USD ($) customer	May 31, 2024 USD ($)
Storm reserves
Unusual Risk or Uncertainty [Line Items]
Storm restoration costs		$ 14.2
Hurricane Francine
Unusual Risk or Uncertainty [Line Items]
Electric customers impacted by power outage | customer	37
Estimated storm restoration costs	$ 23.4