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, 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	20,557		20,557		26,712	26,712
Other comprehensive income (loss), net of tax	(135)			(135)	220		220
Balances, end of period at Mar. 31, 2019	2,530,062	2,069,376	459,035	1,651	1,621,465	1,634,427	(12,962)
Balances, beginning of period at Dec. 31, 2019	2,643,006	2,069,376	591,143	(17,513)	1,713,392	1,735,977	(22,585)
Increase (Decrease) in Equity [Roll Forward]
Net income	6,328		6,328		11,831	11,831
Other comprehensive income (loss), net of tax	414			414	490		490
Balances, end of period at Mar. 31, 2020	$ 2,649,748	$ 2,069,376	$ 597,471	$ (17,099)	$ 1,725,713	$ 1,747,808	$ (22,095)