Allegations by plaintiff, failure to perform

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- Definition

Amount of cost disallowed as a result of an audit, excluding interest.

+ References

No definition available.

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- Definition

Number of petitions filed with the U.S. Court of Appeals

+ References

No definition available.

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- Definition

Public Utilities, Proposed Return on Equity, Percentage

+ References

No definition available.

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- Definition

Cost incurred in providing environmental engineering and consulting; environmental testing and analysis; and remediation services during the reporting period.

+ 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 210.5-03.2(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

+ References

No definition available.

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- Definition

Amount of cash outflow to customers for refund payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 13.A.4(a))
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- Definition

Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period.

+ 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 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

Percentage of public utility's approved return on equity.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

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Litigation, Other Commitments and Contingencies, and Disclosures about Guarantees, Litigation (Details)			1 Months Ended					24 Months Ended	62 Months Ended
	Feb. 13, 2017 USD ($)	Sep. 29, 2016	Jun. 30, 2016	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Nov. 30, 2014	Nov. 30, 2013	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Jan. 19, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 01, 2016 USD ($)	Jun. 24, 2016 petition
Litigation [Abstract]
Accrual for various litigation matters											$ 4,800,000
Cleco Power [Member]
Litigation [Abstract]
Provision for rate refund				$ 2,696,000				$ 2,696,000	$ 2,696,000		3,974,000
LPSC 2014-2015 Fuel Audit [Member] \| Cleco Power [Member]
Litigation [Abstract]
Fuel expenses included in audit								582,600,000
LPSC Nov2010-Dec2015 EAC audit [Member] \| Cleco Power [Member]
Litigation [Abstract]
Environmental expenses included in audit									81,200,000
Number of petitions filed with the U.S. Court of Appeals \| petition													6
Federal Energy Regulatory Commission [Member] \| MISO Transmission Rates [Member]
Litigation [Abstract]
Public Utilities, Approved Return on Equity, Percentage		10.32%					12.38%
Public Utilities, Proposed Return on Equity, Percentage			9.70%	10.32%			6.68%
Public Utilities, Requested Rate Increase (Decrease), Percentage						0.50%
Federal Energy Regulatory Commission [Member] \| Transmission return on equity [Member] \| Cleco Power [Member]
Litigation [Abstract]
Provision for rate refund											$ 3,300,000
Maximum [Member] \| LPSC Nov2010-Dec2015 EAC audit [Member] \| Cleco Power [Member]
Litigation [Abstract]
Cost disallowance in audit, excluding interest												$ 100,000
Subsequent Event [Member] \| LPSC 2014-2015 Fuel Audit [Member] \| Cleco Power [Member]
Litigation [Abstract]
Cost disallowance in audit, excluding interest										$ 0
Subsequent Event [Member] \| Federal Energy Regulatory Commission [Member] \| MISO Transmission Rates [Member] \| Cleco Power [Member]
Litigation [Abstract]
Customer Refundable Fees, Refund Payments	$ 1,200,000
Predecessor [Member]
Litigation [Abstract]
Provision for rate refund				$ 2,696,000				$ 2,696,000	$ 2,696,000
Predecessor [Member] \| Gulf Coast Spinning start up costs [Member]
Litigation [Abstract]
Allegations by plaintiff, failure to perform					$ 6,500,000
Predecessor [Member] \| Gulf Coast Spinning construction of cotton spinning facility [Member]
Litigation [Abstract]
Allegations by plaintiff, failure to perform					$ 60,000,000