Cover Page
| Cover Page | May 21, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | May 21, 2021 |
| Entity Registrant Name | CLECO CORPORATE HOLDINGS LLC |
| Entity Incorporation, State or Country Code | LA |
| Entity File Number | 1-15759 |
| Entity Tax Identification Number | 72-1445282 |
| Entity Address, Address Line One | 2030 Donahue Ferry Road |
| Entity Address, City or Town | Pineville |
| Entity Address, State or Province | LA |
| Entity Address, Postal Zip Code | 71360-5226 |
| City Area Code | 318 |
| Local Phone Number | 484-7400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001089819 |
| Amendment Flag | false |