Leases - Total Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Finance lease cost
Amortization of ROU assets	$ 280	$ 840
Interest on lease liabilities	410	1,240
Operating lease cost	1,158	3,411
Variable lease cost	116	423
Total lease cost	1,964	5,914
CLECO POWER
Finance lease cost
Amortization of ROU assets	280	840
Interest on lease liabilities	410	1,240
Operating lease cost	1,101	3,243
Variable lease cost	116	423
Total lease cost	$ 1,907	$ 5,746