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 - Summary of Cleco Securitization I Financial Statement Impact (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	$ 22,671		$ 22,671			$ 23,549
Total assets	8,171,547		8,171,547			8,253,749
Long-term debt and finance leases due within one year	371,758		371,758			340,867
Interest accrued	22,132		22,132			25,540
Long-term debt and finance leases, net	3,102,207		3,102,207			3,139,094
Member’s equity	2,889,530	$ 2,978,446	2,889,530	$ 2,978,446	$ 2,842,623	2,947,067	$ 3,099,914	$ 2,954,156
Total liabilities and member’s equity	8,171,547		8,171,547			8,253,749
Income Statement Related Disclosures [Abstract]
Operating revenue	284,795	384,753	605,377	697,380
Operating expenses	225,416	315,486	511,562	579,211
Interest income	673	1,066	1,940	1,809
Interest charges, net	41,317	35,501	81,322	68,525
Income before taxes	20,069	27,524	18,053	45,183
Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	407,571		407,571			413,123
Nonrelated Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	43,622		43,622			72,646
Accounts payable - affiliate	108,261		108,261			131,627
Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	19,964		19,964			14,611
Accounts payable - affiliate	13,122		13,122			13,092
VIE, Primary Beneficiary - Cleco Securitization I
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	13,032		13,032			14,139
Long-term debt and finance leases due within one year	14,214		14,214			9,574
Interest accrued	6,276		6,276			9,953
Long-term debt and finance leases, net	401,284		401,284			408,741
Member’s equity	2,158		2,158			2,177
Total liabilities and member’s equity	424,078		424,078			430,610
Income Statement Related Disclosures [Abstract]
Operating revenue	6,206	0	15,383	0
Operating expenses	1,399	0	5,753	0
Interest income	85	0	242	0
Interest charges, net	4,867	0	9,823	0
Income before taxes	25	0	49	0
VIE, Primary Beneficiary - Cleco Securitization I \| Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	407,571		407,571			413,123
Total assets	424,078		424,078			430,610
VIE, Primary Beneficiary - Cleco Securitization I \| Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	3,475		3,475			3,348
Accounts payable - affiliate	146		146			165
CLECO POWER
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	22,671		22,671			23,549
Total assets	5,402,661		5,402,661			5,344,173
Long-term debt and finance leases due within one year	239,904		239,904			110,344
Interest accrued	11,628		11,628			15,276
Long-term debt and finance leases, net	1,654,151		1,654,151			1,786,447
Member’s equity	2,064,486	1,991,005	2,064,486	1,991,005	$ 2,045,888	2,022,912	$ 1,987,930	$ 1,948,537
Total liabilities and member’s equity	5,402,661		5,402,661			5,344,173
Income Statement Related Disclosures [Abstract]
Operating revenue	288,816	388,799	613,505	705,304
Operating expenses	219,095	309,193	498,862	566,783
Interest income	579	1,035	1,764	1,775
Interest charges, net	24,732	21,659	49,587	40,845
Income before taxes	46,686	57,919	70,993	97,667
CLECO POWER \| Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	407,571		407,571			413,123
CLECO POWER \| Nonrelated Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	43,622		43,622			72,646
Accounts payable - affiliate	98,740		98,740			119,435
CLECO POWER \| Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	2,435		2,435			3,771
Accounts payable - affiliate	13,352		13,352			12,448
CLECO POWER \| VIE, Primary Beneficiary - Cleco Securitization I
Balance Sheet Related Disclosures [Abstract]
Restricted cash and cash equivalents, current	13,032		13,032			14,139
Long-term debt and finance leases due within one year	14,214		14,214			9,574
Interest accrued	6,276		6,276			9,953
Long-term debt and finance leases, net	401,284		401,284			408,741
Member’s equity	2,158		2,158			2,177
Total liabilities and member’s equity	424,078		424,078			430,610
Income Statement Related Disclosures [Abstract]
Operating revenue	6,206	0	15,383	0
Operating expenses	1,399	0	5,753	0
Interest income	85	0	242	0
Interest charges, net	4,867	0	9,823	0
Income before taxes	25	$ 0	49	$ 0
CLECO POWER \| VIE, Primary Beneficiary - Cleco Securitization I \| Storm recover property
Balance Sheet Related Disclosures [Abstract]
Intangible assets	407,571		407,571			413,123
Total assets	424,078		424,078			430,610
CLECO POWER \| VIE, Primary Beneficiary - Cleco Securitization I \| Related Party
Balance Sheet Related Disclosures [Abstract]
Accounts receivable - affiliate	3,475		3,475			3,348
Accounts payable - affiliate	$ 146		$ 146			$ 165