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Discontinued Operations - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			6 Months Ended
	Feb. 28, 2019	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge					$ 116,000	$ 0
Discontinued Operations, Held-for-sale \| CLECO CAJUN
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge		$ 20,000	$ 96,000	$ 0	116,000	$ 0
LPSC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt repayment commitment	$ 400,000
Long-term debt outstanding		$ 132,300			$ 132,300