Schedule I Financial Statements of Cleco Holdings (Parent Company Only) - Condensed Balance Sheets (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 57,875,000	$ 148,563,000
Accounts receivable - affiliate	14,613,000	3,041,000
Other accounts receivable	42,935,000	27,818,000
Taxes receivable, net	0	564,000
Cash surrender value of company-owned life insurance policies	52,859,000	98,576,000
Other current assets	7,062,000	12,839,000
Total current assets	783,867,000	767,960,000
Equity investment in subsidiaries	2,072,000	2,072,000	$ 9,072,000
Other deferred charges	41,945,000	44,177,000
Total assets	8,253,749,000	8,125,018,000	7,725,569,000
Current liabilities
Accounts payable	192,213,000	167,886,000
Short-term debt	109,000,000	0
Accounts payable - affiliate	13,092,000	51,297,000
Taxes payable	17,448,000	6,311,000
Interest accrued	25,540,000	15,203,000
Deferred compensation	12,162,000	14,420,000
Other current liabilities	40,310,000	53,150,000
Total current liabilities	872,697,000	513,162,000
Postretirement benefit obligations	200,580,000	291,606,000
Other deferred credits	34,984,000	27,582,000
Total liabilities	5,306,682,000	5,170,862,000
Commitments and contingencies (Note 5)
Member’s equity
Member’s equity	2,947,067,000	2,954,156,000	$ 2,757,023,000	$ 2,643,006,000
Total liabilities and member’s equity	8,253,749,000	8,125,018,000
Cleco Cajun Transaction commitments
Current liabilities
Long-term debt due within one year	65,600,000
Parent Company
Current assets
Cash and cash equivalents	2,556,000	10,408,000
Accounts receivable - affiliate	31,242,000	94,704,000
Other accounts receivable	1,781,000	419,000
Taxes receivable, net	13,242,000	4,001,000
Cash surrender value of company-owned life insurance policies	43,388,000	82,316,000
Other current assets	65,000	59,000
Total current assets	92,274,000	191,907,000
Equity investment in subsidiaries	4,292,018,000	4,304,496,000
Accumulated deferred federal and state income taxes, net	145,513,000	148,371,000
Other deferred charges	788,000	1,010,000
Total assets	4,530,593,000	4,645,784,000
Current liabilities
Long-term debt due within one year	230,523,000	67,700,000
Accounts payable	1,900,000	570,000
Short-term debt	64,000,000	0
Accounts payable - affiliate	17,496,000	120,691,000
Taxes payable	33,000	14,000
Interest accrued	10,264,000	10,123,000
Deferred compensation	12,162,000	14,420,000
Other current liabilities	749,000	748,000
Total current liabilities	337,127,000	214,266,000
Postretirement benefit obligations	2,774,000	3,941,000
Other deferred credits	313,000	1,313,000
Long-term debt, net	1,243,312,000	1,472,108,000
Total liabilities	1,583,526,000	1,691,628,000
Commitments and contingencies (Note 5)
Member’s equity
Member’s equity	2,947,067,000	2,954,156,000
Total liabilities and member’s equity	4,530,593,000	$ 4,645,784,000
Parent Company | Cleco Cajun Transaction commitments
Current liabilities
Long-term debt due within one year	65,600,000
Parent Company | Senior notes, 3.250%, due 2023
Current liabilities
Long-term debt due within one year	$ 165,000,000