Summary of Significant Accounting Policies, AFUDC (Details) (Cleco Power [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cleco Power [Member]
Public Utilities, General Disclosures [Line Items]
Composite AFUDC rate, including borrowed and other funds, net of tax	6.47%	7.20%	7.50%
Composite AFUDC rate, including borrowed and other funds, pre-tax	10.46%	11.60%	12.10%