Fair Value Accounting and Financial Instruments - Significant Unobservable Inputs Used in Developing Fair Value of Level 3 Positions (Details) - Measured on a Recurring Basis - Level 3 $ in Thousands	Jun. 30, 2022 USD ($) $ / MW	Dec. 31, 2021 USD ($) $ / MW
FAIR VALUE
ASSETS | $	$ 11,863	$ 6,977
LIABILITIES | $	7,181	834
CLECO POWER
FAIR VALUE
ASSETS | $	10,857	5,515
LIABILITIES | $	$ 719	$ 597
Minimum
FAIR VALUE
FORWARD PRICE RANGE (usd per mwh) | $ / MW	(14.97)	(3.94)
Minimum | CLECO POWER
FAIR VALUE
FORWARD PRICE RANGE (usd per mwh) | $ / MW	(6.61)	(4.91)
Maximum
FAIR VALUE
FORWARD PRICE RANGE (usd per mwh) | $ / MW	19.75	9.25
Maximum | CLECO POWER
FAIR VALUE
FORWARD PRICE RANGE (usd per mwh) | $ / MW	19.75	9.25