Condensed Consolidated Statements of Changes in Member’s Equity (Unaudited) - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands	Total	MEMBERSHIP INTEREST	RETAINED EARNINGS	AOCI	CLECO POWER	CLECO POWER MEMBERSHIP INTEREST	CLECO POWER AOCI
Balances, beginning of period at Dec. 31, 2017	$ 2,096,357	$ 2,069,376	$ 29,902	$ (2,921)	$ 1,550,679	$ 1,564,362	$ (13,683)
Increase (Decrease) in Equity [Roll Forward]
Distributions	(60,500)		(60,500)		(121,400)	(121,400)
Net income	84,060		84,060		132,359	132,359
Other comprehensive income, net of tax	551			551	1,052		1,052
Balances, end of period at Sep. 30, 2018	$ 2,120,468	$ 2,069,376	$ 53,462	$ (2,370)	$ 1,562,690	$ 1,575,321	$ (12,631)