Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-9

Variable Interest Entities - Schedule of Cleco Securitization I Financial Statement Impact (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	$ 6,356		$ 6,356			$ 23,549
Total assets	8,292,099		8,292,099			8,253,749
Long-term debt and finance leases due within one year	372,246		372,246			340,867
Interest accrued	40,205		40,205			25,540
Long-term debt and finance leases, net	3,093,883		3,093,883			3,139,094
Total liabilities	5,276,879		5,276,879			5,306,682
Member’s equity	3,015,220	$ 2,960,078	3,015,220	$ 2,960,078	$ 2,889,530	2,947,067	$ 2,978,446	$ 2,954,156
Total liabilities and member’s equity	8,292,099		8,292,099			8,253,749
Income Statement Related Disclosures [Abstract]
Operating revenue	393,846	496,764	999,222	1,194,145
Operating expenses	(299,961)	(357,385)	(893,956)	(770,707)
Interest income	1,283	1,766	3,223	3,575
Interest charges, net	(42,212)	(38,169)	(123,533)	(106,694)
Income (loss) before taxes	52,347	99,452	(12,033)	310,524
Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	402,444		402,444			413,123
Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	22,306		22,306			14,613
Accounts payable - affiliate	20,926		20,926			13,092
VIE, Primary Beneficiary - Cleco Securitization I
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	6,356		6,356			14,139
Long-term debt and finance leases due within one year	14,499		14,499			9,574
Interest accrued	1,548		1,548			9,953
Long-term debt and finance leases, net	394,787		394,787			408,741
Member’s equity	2,133		2,133			2,177
Total liabilities and member’s equity	413,062		413,062			430,610
Income Statement Related Disclosures [Abstract]
Operating revenue	9,946	5,025	25,329	5,025
Operating expenses	(5,264)	(90)	(11,017)	(90)
Interest income	188	10	430	10
Interest charges, net	(4,845)	(4,861)	(14,668)	(5,342)
Income (loss) before taxes	25	84	74	(397)
VIE, Primary Beneficiary - Cleco Securitization I \| Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	402,444		402,444			413,123
Total assets	413,062		413,062			430,610
Total liabilities	410,929		410,929			428,433
VIE, Primary Beneficiary - Cleco Securitization I \| Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	4,262		4,262			3,348
Accounts payable - affiliate	95		95			165
CLECO POWER
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	6,356		6,356			23,549
Total assets	5,460,639		5,460,639			5,344,173
Long-term debt and finance leases due within one year	240,271		240,271			110,344
Interest accrued	22,912		22,912			15,276
Long-term debt and finance leases, net	1,647,593		1,647,593			1,786,447
Member’s equity	2,130,559	1,978,608	2,130,559	1,978,608	$ 2,064,486	2,022,912	$ 1,991,005	$ 1,948,537
Total liabilities and member’s equity	5,460,639		5,460,639			5,344,173
Income Statement Related Disclosures [Abstract]
Operating revenue	397,814	500,839	1,011,318	1,206,144
Operating expenses	(285,260)	(435,504)	(784,121)	(1,002,288)
Interest income	1,215	1,726	2,979	3,501
Interest charges, net	(25,099)	(24,303)	(74,686)	(65,147)
Income (loss) before taxes	90,362	42,595	161,355	140,262
CLECO POWER \| Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	402,444		402,444			413,123
CLECO POWER \| Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	2,140		2,140			3,771
Accounts payable - affiliate	21,334		21,334			12,448
CLECO POWER \| VIE, Primary Beneficiary - Cleco Securitization I
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	6,356		6,356			14,139
Long-term debt and finance leases due within one year	14,499		14,499			9,574
Interest accrued	1,548		1,548			9,953
Long-term debt and finance leases, net	394,787		394,787			408,741
Member’s equity	2,133		2,133			2,177
Total liabilities and member’s equity	413,062		413,062			430,610
Income Statement Related Disclosures [Abstract]
Operating revenue	9,946	5,025	25,329	5,025
Operating expenses	(5,264)	(90)	(11,017)	(90)
Interest income	188	10	430	10
Interest charges, net	(4,845)	(4,861)	(14,668)	(5,342)
Income (loss) before taxes	25	$ 84	74	$ (397)
CLECO POWER \| VIE, Primary Beneficiary - Cleco Securitization I \| Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	402,444		402,444			413,123
Total assets	413,062		413,062			430,610
Total liabilities	410,929		410,929			428,433
CLECO POWER \| VIE, Primary Beneficiary - Cleco Securitization I \| Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	4,262		4,262			3,348
Accounts payable - affiliate	$ 95		$ 95			$ 165