Condensed Consolidated Statements of Changes in Member’s Equity (Unaudited) - 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	(39,900)		(39,900)		(71,000)	(71,000)
Net income	36,700		36,700		69,024	69,024
Other comprehensive income (loss), net of tax	290			290	628		628
Balances, end of period at Jun. 30, 2018	2,093,447	2,069,376	26,702	(2,631)	1,549,331	1,562,386	(13,055)
Balances, beginning of period at Mar. 31, 2018	2,087,761	2,069,376	21,263	(2,878)	1,548,980	1,562,366	(13,386)
Increase (Decrease) in Equity [Roll Forward]
Distributions	(20,400)		(20,400)		(43,000)	(43,000)
Net income	25,839		25,839		43,020	43,020
Other comprehensive income (loss), net of tax	247			247	331		331
Balances, end of period at Jun. 30, 2018	2,093,447	2,069,376	26,702	(2,631)	1,549,331	1,562,386	(13,055)
Balances, beginning of period at Dec. 31, 2018	2,124,740	2,069,376	53,578	1,786	1,594,533	1,607,715	(13,182)
Increase (Decrease) in Equity [Roll Forward]
Contribution from member	384,900		384,900
Net income	65,303		65,303		76,068	76,068
Other comprehensive income (loss), net of tax	(282)			(282)	413		413
Balances, end of period at Jun. 30, 2019	2,574,661	2,069,376	503,781	1,504	1,671,014	1,683,783	(12,769)
Balances, beginning of period at Mar. 31, 2019	2,530,062	2,069,376	459,035	1,651	1,621,465	1,634,427	(12,962)
Increase (Decrease) in Equity [Roll Forward]
Net income	44,746		44,746		49,356	49,356
Other comprehensive income (loss), net of tax	(147)			(147)	193		193
Balances, end of period at Jun. 30, 2019	$ 2,574,661	$ 2,069,376	$ 503,781	$ 1,504	$ 1,671,014	$ 1,683,783	$ (12,769)