Debt - Future Amounts Payable Under Long-Term Debt Agreements (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Long-term Debt Agreements
For the year ending Dec. 31,
2019	$ 20,571
2020	11,054
2021	300,000
2022	25,000
2023	265,000
Thereafter	2,135,000
Long-term Debt Agreements \| CLECO POWER
For the year ending Dec. 31,
2019	20,571
2020	11,054
2021	0
2022	25,000
2023	100,000
Thereafter	1,250,000
Capital Lease Agreements
For the year ending Dec. 31,
2019	557
2020	617
2021	682
2022	755
2023	836
Thereafter	12,971
Capital Lease Agreements \| CLECO POWER
For the year ending Dec. 31,
2019	557
2020	617
2021	682
2022	755
2023	836
Thereafter	$ 12,971

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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
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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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.

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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.

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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.

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