Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
	Apr. 12, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2016	Apr. 12, 2016	Jun. 30, 2017	Jun. 30, 2016
Cleco Power
Net tax expense (benefit) of gain (loss) on postretirement benefits		$ 120	$ 113			$ (142)	$ 239
Net tax expense on cash flow hedges		33	$ 33			66	$ 66
Successor
Net tax expense (benefit) of gain (loss) on postretirement benefits		37		$ 0		(1,333)
Net tax expense on cash flow hedges		$ 0		$ 0		$ 0
Predecessor
Net tax expense (benefit) of gain (loss) on postretirement benefits	$ 37				$ 367
Net tax expense on cash flow hedges	$ 4				$ 37