Debt Instrument, Expected Repayment Period

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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-Section 55
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-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of long-term debt and capital lease obligations including current maturities.

+ References

No definition available.

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Period Type:	instant

- References

No definition available.

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Section 50
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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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Balance Type:	credit
Period Type:	instant

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Schedule I Financial Statements of Cleco Holdings (Parent Company Only) - Debt (Details)	Feb. 05, 2019 USD ($)	Feb. 04, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jul. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Condensed Financial Statements, Captions [Line Items]
Short-term debt outstanding			$ 0		$ 0
Long-term debt outstanding			2,900,000,000
Long-term debt and capital leases due within one year			21,128,000		19,193,000
Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Short-term debt outstanding			0		$ 0
Long-term debt outstanding			1,340,000,000
Long-term debt and capital leases due within one year			0
For the year ending Dec. 31,
2019			0
2020			0
2021			300,000,000
2022			0
2023			165,000,000
Thereafter			885,000,000
Notes Payable to Banks \| Cleco Holdings \| Bank Term Loan Agreement
Condensed Financial Statements, Captions [Line Items]
Aggregate principal amount				$ 300,000,000.0
Revolving Credit Facility \| Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Maximum borrowing capacity				$ 100,000,000.0
Subsequent Event \| Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Debt term		3 years
Subsequent Event \| Line of Credit \| Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Maximum borrowing capacity		$ 175,000,000.0
Increase in credit facility capacity		75,000,000.0
Subsequent Event \| Revolving Credit Facility \| Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Proceeds from credit facility		75,000,000
Payments on credit facilities	$ 75,000,000
Bridge Loan \| Subsequent Event \| Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Aggregate principal amount		300,000,000.0
Term Loan \| Subsequent Event \| Cleco Holdings
Condensed Financial Statements, Captions [Line Items]
Aggregate principal amount		$ 100,000,000.0
Cleco Holdings \| Line of Credit
Condensed Financial Statements, Captions [Line Items]
Maximum borrowing capacity			$ 100,000,000
Cleco Holdings \| Subsequent Event
Condensed Financial Statements, Captions [Line Items]
Debt term		3 years
Debt to capital ratio		0.65
Repayment period		12 months
Cleco Holdings \| Subsequent Event \| Line of Credit
Condensed Financial Statements, Captions [Line Items]
Payments on credit facilities	$ 75,000,000
Cleco Holdings \| Subsequent Event \| Revolving Credit Facility
Condensed Financial Statements, Captions [Line Items]
Maximum borrowing capacity		$ 175,000,000.0
Proceeds from credit facility		75,000,000
Cleco Holdings \| Bridge Loan \| Subsequent Event
Condensed Financial Statements, Captions [Line Items]
Aggregate principal amount		300,000,000.0
Cleco Holdings \| Term Loan \| Subsequent Event
Condensed Financial Statements, Captions [Line Items]
Aggregate principal amount		$ 100,000,000.0