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	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)
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	49,496		49,496		40,064	40,064
Other comprehensive income (loss), net of tax	856			856	973		973
Balances, end of period at Jun. 30, 2020	2,693,358	2,069,376	640,639	(16,657)	1,754,429	1,776,041	(21,612)
Balances, beginning of period at Mar. 31, 2020	2,649,748	2,069,376	597,471	(17,099)	1,725,713	1,747,808	(22,095)
Increase (Decrease) in Equity [Roll Forward]
Net income	43,168		43,168		28,233	28,233
Other comprehensive income (loss), net of tax	442			442	483		483
Balances, end of period at Jun. 30, 2020	$ 2,693,358	$ 2,069,376	$ 640,639	$ (16,657)	$ 1,754,429	$ 1,776,041	$ (21,612)