Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 50
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Affiliate Transactions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Related Party Transactions [Abstract]
Accounts payable - affiliate	$ 35,250		$ 35,250		$ 33,780
CLECO POWER
Related Party Transactions [Abstract]
Accounts payable - affiliate	14,688		14,688		14,123
CLECO POWER \| Affiliates
Related Party Transactions [Abstract]
Accounts payable - affiliate	14,580		14,580		13,890
CLECO POWER \| Oxbow
Related Party Transaction [Line Items]
Due to affiliates	300		300
CLECO POWER \| Oxbow \| Affiliates
Related Party Transaction [Line Items]
Cost of mineral rights and land leases	$ 1,100	$ 1,400	$ 16,600	$ 3,600
Due to affiliates					$ 200