Affiliate Transactions (Details) - Cleco Power [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Accounts receivable - affiliate	$ 23,575	$ 23,621
Accounts payable - affiliate	6,781	7,760
Cleco Corporation [Member]
Related Party Transaction [Line Items]
Accounts receivable - affiliate	22,735	22,994
Accounts payable - affiliate	283	525
Support Group [Member]
Related Party Transaction [Line Items]
Accounts receivable - affiliate	840	626
Accounts payable - affiliate	6,498	7,235
Others [Member]
Related Party Transaction [Line Items]
Accounts receivable - affiliate	0	1
Accounts payable - affiliate	$ 0	$ 0