Cleco Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 110,418	$ (15,227)	$ 188,811
Other comprehensive income, net of tax
Postretirement benefits (loss) gain (net of tax expense of $973 in 2024, tax benefit of $1,905 in 2023, and tax expense of $8,728 in 2022)	2,428	(5,171)	23,688
Total other comprehensive (loss) income, net of tax	2,428	(5,171)	23,688
Comprehensive income (loss), net of tax	$ 112,846	$ (20,398)	$ 212,499