Call Premium, Debt

No definition available.

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

+ Details

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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Period Type:	instant

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
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.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- 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.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Debt, Additional Disclosures (Details) - USD ($)					1 Months Ended
Debt, Additional Disclosures (Details) - USD ($)	Dec. 20, 2016	Nov. 01, 2016	Jun. 28, 2016	Apr. 13, 2016	Dec. 31, 2016	Nov. 30, 2016	May 24, 2016	May 17, 2016	Dec. 31, 2015
Cleco Power [Member]
Debt [Line Items]
Short-term debt outstanding					$ 0				$ 0
Long-term Debt and Capital Lease Obligations, Including Current Maturities					1,250,000,000
Long-term Debt and Capital Lease Obligations, Current					19,715,000				19,421,000
Long-term Debt, principal payments for CKR bonds					17,896,000				16,814,000
Capital lease payments/Current liabilities					1,819,000				2,607,000
Unsecured Debt					1,268,715,000				1,265,529,000
Debt Instrument, Fee Amount					9,421,000				9,609,000
Cleco Katrina Rita Storm Recovery Bonds [Member] \| Cleco Power [Member]
Debt [Line Items]
Long-term Debt, principal payments for CKR bonds					17,900,000
Cleco Power's solid waste disposal facility bonds, 4.70%, due 2036, callable after November 1, 2016 [Member] \| Cleco Power [Member]
Debt [Line Items]
Unsecured Debt					0				60,000,000
Cleco Power's senior notes, 3.47%, due 2026 [Member] \| Cleco Power [Member]
Debt [Line Items]
Unsecured Debt					130,000,000				0
Debt Instrument, Face Amount	$ 130,000,000
Cleco Power's senior notes, 3.57%, due 2028 [Member] \| Cleco Power [Member]
Debt [Line Items]
Unsecured Debt					200,000,000				0
Debt Instrument, Face Amount	200,000,000
Cleco Power's senior notes, 6.65%, due 2018 [Member] \| Cleco Power [Member]
Debt [Line Items]
Unsecured Debt					0				250,000,000
2008 Series A GO Zone bonds \| Cleco Power [Member]
Debt [Line Items]
Unsecured Debt					50,000,000				50,000,000
Cleco Power's senior notes, 3.68%, due 2025 [Member] [Member] \| Cleco Power [Member]
Debt [Line Items]
Unsecured Debt					75,000,000				75,000,000
Unsecured Debt [Member] \| Cleco Power's solid waste disposal facility bonds, 4.70%, due 2036, callable after November 1, 2016 [Member] \| Cleco Power [Member]
Debt [Line Items]
Extinguishment of Debt, Amount		$ 60,000,000				$ 60,000,000
Interest Expense, Debt		$ 1,400,000
Unsecured Debt [Member] \| Cleco Power's senior notes, 6.65%, due 2018 [Member] \| Cleco Power [Member]
Debt [Line Items]
Extinguishment of Debt, Amount	250,000,000				250,000,000
Call Premium, Debt	$ 19,000,000
Successor [Member]
Debt [Line Items]
Short-term debt outstanding					0
Long-term Debt and Capital Lease Obligations, Including Current Maturities					2,760,000,000
Long-term Debt and Capital Lease Obligations, Current					19,715,000
Capital lease payments/Current liabilities					1,800,000
Debt Instrument, Fee Amount					11,700,000
Successor [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Short-term debt outstanding					0
Long-term Debt and Capital Lease Obligations, Including Current Maturities					1,340,000,000
Long-term Debt and Capital Lease Obligations, Current					0
Debt Instrument, Fee Amount					2,261,000
Successor [Member] \| Cleco Katrina Rita Storm Recovery Bonds [Member]
Debt [Line Items]
Long-term Debt, principal payments for CKR bonds					17,900,000
Successor [Member] \| Cleco Corporate Holdings debt, variable rate, due 2019 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Face Amount				$ 1,350,000,000
Debt Instrument, Term				3 years
Successor [Member] \| Cleco Holdings' senior notes, 3.743%, due 2026 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Unsecured Debt					535,000,000
Debt Instrument, Face Amount								$ 535,000,000
Debt Instrument, Interest Rate, Stated Percentage								3.743%
Successor [Member] \| Cleco Holdings' senior notes, 4.973%, due 2046 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Unsecured Debt					350,000,000
Debt Instrument, Face Amount								$ 350,000,000
Debt Instrument, Interest Rate, Stated Percentage								4.973%
Successor [Member] \| Cleco Holdings' senior notes, 3.250%, due 2023 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Unsecured Debt					$ 165,000,000
Debt Instrument, Face Amount							$ 165,000,000
Debt Instrument, Interest Rate, Stated Percentage							3.25%
Successor [Member] \| Cleco Corporate Holdings debt, variable rate, due 2021 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Face Amount			$ 300,000,000
Successor [Member] \| Debt Issuance Cost Amortization [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Fee Amount				$ 17,700,000
Successor [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Cleco Corporate Holdings debt, variable rate, due 2019 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.75%
Successor [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Cleco Corporate Holdings debt, variable rate, due 2021 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.625%
Debt Instrument, Interest Rate, Stated Percentage					2.265%
Successor [Member] \| ABR [Member] \| Cleco Corporate Holdings debt, variable rate, due 2019 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.75%
Successor [Member] \| ABR [Member] \| Cleco Corporate Holdings debt, variable rate, due 2021 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate			0.625%
Predecessor [Member]
Debt [Line Items]
Short-term debt outstanding									0
Long-term Debt and Capital Lease Obligations, Current									19,421,000
Debt Instrument, Fee Amount									9,900,000
Predecessor [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Short-term debt outstanding									0
Debt Instrument, Fee Amount									336,000
Predecessor [Member] \| Cleco Holdings' senior notes, 3.743%, due 2026 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Unsecured Debt									0
Predecessor [Member] \| Cleco Holdings' senior notes, 4.973%, due 2046 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Unsecured Debt									0
Predecessor [Member] \| Cleco Holdings' senior notes, 3.250%, due 2023 [Member] \| Cleco Holdings [Member]
Debt [Line Items]
Unsecured Debt									$ 0