Leases - Lease Income Under Cottonwood Sale Leaseback (Details) - Cleco Cajun - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lessor, Lease, Description [Line Items]
Fixed payments	$ 10,000	$ 10,000	$ 20,000	$ 20,000
Variable payments	5,865	5,010	11,414	10,475
Amortization of deferred lease liability	2,301	2,301	4,603	4,603
Total lease income	$ 18,166	$ 17,311	$ 36,017	$ 35,078