Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
	Apr. 12, 2016	Jun. 30, 2016	Jun. 30, 2016	Apr. 12, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Cleco Power [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances				$ 1,552,404		$ 1,552,404
Net current-period other comprehensive income [Abstract]
Net current-period other comprehensive income			$ 234		$ 341	487	$ 307
Balances		$ 1,527,541	1,527,541			1,527,541
Cleco Power [Member] \| Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances	$ (16,839)		(16,839)	(17,092)	(17,322)	(17,092)	(17,288)
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax			181		288	381	201
Net current-period other comprehensive income			234		341	487	307
Balances		(16,605)	(16,605)		(16,981)	(16,605)	(16,981)
Cleco Power [Member] \| Accumulated Other Comprehensive Income (Loss) [Member] \| Interest Expense [Member]
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax			53		53	106	106
Cleco Power [Member] \| Postretirement Benefit Net Loss [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances	(11,164)		(11,164)	(11,364)	(11,436)	(11,364)	(11,349)
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax			181		288	381	201
Net current-period other comprehensive income			181		288	381	201
Balances		(10,983)	(10,983)		(11,148)	(10,983)	(11,148)
Cleco Power [Member] \| Net Loss on Cash Flow Hedges [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances	(5,675)		(5,675)	(5,728)	(5,886)	(5,728)	(5,939)
Net current-period other comprehensive income [Abstract]
Net current-period other comprehensive income			53		53	106	106
Balances		(5,622)	(5,622)		(5,833)	(5,622)	(5,833)
Cleco Power [Member] \| Net Loss on Cash Flow Hedges [Member] \| Interest Expense [Member]
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax			53		53	106	106
Predecessor [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances		1,646,061		1,674,841		1,674,841
Net current-period other comprehensive income [Abstract]
Net current-period other comprehensive income	66			647	709		1,371
Balances	1,646,061			1,646,061
Predecessor [Member] \| Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances	(26,004)	(25,938)	(26,004)	(26,585)	(32,003)	(26,585)	(32,665)
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax	59			587	656		1,265
Net current-period other comprehensive income	66			647	709		1,371
Balances	(25,938)			(25,938)	(31,294)		(31,294)
Predecessor [Member] \| Accumulated Other Comprehensive Income (Loss) [Member] \| Interest Expense [Member]
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax	7			60	53		106
Predecessor [Member] \| Postretirement Benefit Net Loss [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances	(20,329)	(20,270)	(20,329)	(20,857)	(26,117)	(20,857)	(26,726)
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax	59			587	656		1,265
Net current-period other comprehensive income	59			587	656		1,265
Balances	(20,270)			(20,270)	(25,461)		(25,461)
Predecessor [Member] \| Net Loss on Cash Flow Hedges [Member]
Accumulated other comprehensive loss [Roll Forward]
Balances	(5,675)	(5,668)	(5,675)	(5,728)	(5,886)	(5,728)	(5,939)
Net current-period other comprehensive income [Abstract]
Net current-period other comprehensive income	7			60	53		106
Balances	(5,668)			(5,668)	(5,833)		(5,833)
Predecessor [Member] \| Net Loss on Cash Flow Hedges [Member] \| Interest Expense [Member]
Net current-period other comprehensive income [Abstract]
Amounts reclassified from accumulated other comprehensive income, net of tax	$ 7			$ 60	$ 53		$ 106
Successor [Member]
Net current-period other comprehensive income [Abstract]
Net current-period other comprehensive income		0
Balances		2,048,227	2,048,227			2,048,227
Successor [Member] \| Accumulated Other Comprehensive Income (Loss) [Member]
Net current-period other comprehensive income [Abstract]
Balances		0	0			0
Successor [Member] \| Postretirement Benefit Net Loss [Member]
Net current-period other comprehensive income [Abstract]
Balances		0	0			0
Successor [Member] \| Net Loss on Cash Flow Hedges [Member]
Net current-period other comprehensive income [Abstract]
Balances		$ 0	$ 0			$ 0