Fair Value Accounting, Restricted Investments (Details) (Cleco Power [Member], USD $)			3 Months Ended	12 Months Ended
	Jul. 02, 2012	Sep. 30, 2007	Mar. 31, 2014 Restricted Storm Reserve [Member] Maximum [Member]	Dec. 31, 2013 Available-For-Sale Debt Securities [Member]	Dec. 31, 2013 Municipal Bonds [Member]	Dec. 31, 2013 Corporate Bonds [Member]	Dec. 31, 2013 Federal Agency Mortgage-Backed Securities [Member]	Dec. 31, 2013 Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Net Realized Gain (Loss)			$ 100,000
LPSC authorized storm reserve funding		50,000,000
Amount of restricted cash and cash equivalents transfered to an investment manager	13,000,000
Reconciliation of available-for-sale debt securities from amortized cost to fair value[Abstract]
Amortized Cost				12,834,000	9,838,000	513,000	1,000,000	1,483,000
Total Unrealized Gains				10,000	8,000	2,000	0	0
Total Unrealized Losses				15,000	15,000	0	0	0
Fair Value				$ 12,829,000	$ 9,831,000	$ 515,000	$ 1,000,000	$ 1,483,000