Cleco Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 188,811	$ 194,966	$ 122,300
Other comprehensive income, net of tax
Postretirement benefits gain (loss), net of tax expense (benefit)	23,688	2,167	(8,283)
Total other comprehensive income (loss), net of tax	23,688	2,167	(8,283)
Comprehensive income, net of tax	$ 212,499	$ 197,133	$ 114,017