Income Taxes, Uncertain Tax Positions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Uncertain Tax Positions [Line Items]
Interest payable related to uncertain tax positions	$ 0.0		$ 0.0
Interest expense related to uncertain tax positions	0.0
Liability for uncertain tax positions	0.0
Penalties	0.0	$ 0.0
Cleco Power [Member]
Uncertain Tax Positions [Line Items]
Interest payable related to uncertain tax positions	0.0		$ 0.0
Interest expense related to uncertain tax positions	$ 0.0