Cleco Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 156,112	$ 68,372	$ 99,420	$ 225,479
Other comprehensive (loss) income, net of tax
Postretirement benefits (loss) gain, net of tax (benefit) expense	(422)	10	(1,267)	31
Total other comprehensive (loss) income, net of tax	(422)	10	(1,267)	31
Comprehensive income, net of tax	$ 155,690	$ 68,382	$ 98,153	$ 225,510