Consolidated Statements of Changes in Member's Equity - USD ($) $ in Thousands	Total	MEMBERSHIP INTEREST	RETAINED EARNINGS	AOCI	CLECO POWER	CLECO POWER MEMBERSHIP INTEREST	CLECO POWER AOCI
Balance, beginning 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]
Contributions from member	384,900	384,900
Distributions to member					(20,000)	(20,000)
Net income	152,665		152,665		148,262	148,262
Other comprehensive income (loss), net of tax	(19,299)			(19,299)	(9,403)		(9,403)
Balance, ending at Dec. 31, 2019	2,643,006	2,454,276	206,243	(17,513)	1,713,392	1,735,977	(22,585)
Increase (Decrease) in Equity [Roll Forward]
Net income	122,300		122,300		96,655	96,655
Other comprehensive income (loss), net of tax	(8,283)			(8,283)	(2,168)		(2,168)
Balance, ending at Dec. 31, 2020	2,757,023	2,454,276	328,543	(25,796)	1,807,879	1,832,632	(24,753)
Increase (Decrease) in Equity [Roll Forward]
Net income	194,966		194,966		134,088	134,088
Other comprehensive income (loss), net of tax	2,167			2,167	6,570		6,570
Balance, ending at Dec. 31, 2021	$ 2,954,156	$ 2,454,276	$ 523,509	$ (23,629)	$ 1,948,537	$ 1,966,720	$ (18,183)