Leases - Total Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Finance lease cost
Amortization of ROU assets	$ 280	$ 560
Interest on lease liabilities	413	830
Operating lease cost	1,118	2,253
Variable lease cost	144	306
Total lease cost	1,955	3,949
CLECO POWER
Finance lease cost
Amortization of ROU assets	280	560
Interest on lease liabilities	413	830
Operating lease cost	1,061	2,142
Variable lease cost	144	306
Total lease cost	$ 1,898	$ 3,838