XML 77 R55.htm IDEA: XBRL DOCUMENT v3.7.0.1
Litigation, Other Commitments and Contingencies, and Disclosures about Guarantees, Litigation (Details)
1 Months Ended 24 Months Ended 62 Months Ended
Feb. 13, 2017
USD ($)
Sep. 29, 2016
Jun. 30, 2016
Sep. 30, 2015
USD ($)
Nov. 30, 2014
Nov. 30, 2013
Dec. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Mar. 31, 2017
USD ($)
Jan. 19, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 01, 2016
USD ($)
Jun. 24, 2016
petition
Litigation [Abstract]                          
Provision for rate refund                 $ 3,262,000   $ 3,974,000    
Loss Contingency, Estimate of Possible Loss                 4,800,000        
Gulf Coast Spinning start up costs [Member]                          
Litigation [Abstract]                          
Allegations by plaintiff, failure to perform       $ 6,500,000                  
Gulf Coast Spinning construction of cotton spinning facility [Member]                          
Litigation [Abstract]                          
Allegations by plaintiff, failure to perform       $ 60,000,000                  
Cleco Power [Member]                          
Litigation [Abstract]                          
Provision for rate refund                 3,262,000   $ 3,974,000    
LPSC 2014-2015 Fuel Audit [Member] | Cleco Power [Member]                          
Litigation [Abstract]                          
Fuel Costs             $ 582,600,000            
Cost disallowance in audit, excluding interest                   $ 0      
LPSC Nov2010-Dec2015 EAC audit [Member] | Cleco Power [Member]                          
Litigation [Abstract]                          
Environmental expenses included in audit               $ 81,200,000          
Number of petitions filed with the U.S. Court of Appeals | petition                         6
FERC [Member] | MISO Transmission Rates [Member]                          
Litigation [Abstract]                          
Public Utilities, Approved Return on Equity, Percentage (In hundredths)   10.32%       12.38%              
Public Utilities, Proposed Return on Equity, Percentage (in hundredths)     9.70%     6.68%              
Public Utilities, Requested rate increase (decrease), Percentage (in hundredths)         0.50%                
FERC [Member] | MISO Transmission Rates [Member] | Cleco Power [Member]                          
Litigation [Abstract]                          
Customer Refundable Fees, Refund Payments $ 1,200,000                        
FERC [Member] | Transmission Return on Equity [Member] | Cleco Power [Member]                          
Litigation [Abstract]                          
Provision for rate refund                 $ 1,900,000        
Maximum [Member] | LPSC Nov2010-Dec2015 EAC audit [Member] | Cleco Power [Member]                          
Litigation [Abstract]                          
Cost disallowance in audit, excluding interest                       $ 100,000