XML 128 R106.htm IDEA: XBRL DOCUMENT v3.6.0.2
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 12, 2016
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Apr. 13, 2016
Dec. 31, 2013
Cleco Power [Member]                
Accumulated Other Comprehensive Loss [Line Items]                
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest   $ 1,535,202 $ 1,535,202 $ 1,535,202 $ 1,552,404 $ 1,545,858   $ 1,370,573
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Net current-period other comprehensive income (loss)       3,670 196 (2,111)    
Postretirement Benefit Net (Loss) Gain [Member] | Cleco Power [Member]                
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning $ (11,364)     (11,364) (11,349) (9,026)    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Postretirement benefit adjustments during the period       3,913 (1,232) (3,344)    
Amounts reclassified from accumulated other comprehensive income, net of tax       (454) 1,217 1,021    
Net current-period other comprehensive income (loss)       3,459 (15) (2,323)    
Balances, Ending   (7,905) (7,905) (7,905) (11,364) (11,349)    
Net Gain (Loss) on Cash Flow Hedges [Member] | Cleco Power [Member]                
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning (5,728)     (5,728) (5,939) (6,151)    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Net current-period other comprehensive income (loss)       211 211 212    
Balances, Ending   (5,517) (5,517) (5,517) (5,728) (5,939)    
AOCI [Member] | Cleco Power [Member]                
Accumulated Other Comprehensive Loss [Line Items]                
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest   (13,422) (13,422) (13,422) (17,092) (17,288)   $ (15,177)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning (17,092)     (17,092) (17,288) (15,177)    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Postretirement benefit adjustments during the period       3,913 (1,232) (3,344)    
Amounts reclassified from accumulated other comprehensive income, net of tax       (454) 1,217 1,021    
Net current-period other comprehensive income (loss)       3,670 196 (2,111)    
Balances, Ending   (13,422) (13,422) (13,422) (17,092) (17,288)    
Interest charges | Net Gain (Loss) on Cash Flow Hedges [Member] | Cleco Power [Member]                
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Amounts reclassified from accumulated other comprehensive income, net of tax       211 211 212    
Interest charges | AOCI [Member] | Cleco Power [Member]                
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Amounts reclassified from accumulated other comprehensive income, net of tax       211 211 212    
Predecessor [Member]                
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning 1,674,841   1,646,061 1,674,841 1,627,270 1,586,197    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Net current-period other comprehensive income (loss) 647       6,080 (6,789)    
Balances, Ending 1,646,061       1,674,841 1,627,270    
Predecessor [Member] | Postretirement Benefit Net (Loss) Gain [Member]                
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning (20,857)   (20,270) (20,857) (26,726) (19,725)    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Postretirement benefit adjustments during the period         2,790 (9,022)    
Amounts reclassified from accumulated other comprehensive income, net of tax 587       3,079 2,021    
Net current-period other comprehensive income (loss) 587       5,869 (7,001)    
Balances, Ending (20,270)       (20,857) (26,726)    
Predecessor [Member] | Net Gain (Loss) on Cash Flow Hedges [Member]                
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning (5,728)   (5,668) (5,728) (5,939) (6,151)    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Amounts reclassified from accumulated other comprehensive income, net of tax 60       211 212    
Net current-period other comprehensive income (loss) 60       211 212    
Balances, Ending (5,668)       (5,728) (5,939)    
Predecessor [Member] | AOCI [Member]                
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]                
Balances. Beginning (26,585)   (25,938) (26,585) (32,665) (25,876)    
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Postretirement benefit adjustments during the period         2,790 (9,022)    
Amounts reclassified from accumulated other comprehensive income, net of tax 587       3,079 2,021    
Net current-period other comprehensive income (loss) 647       6,080 (6,789)    
Balances, Ending (25,938)       (26,585) (32,665)    
Predecessor [Member] | Interest charges | AOCI [Member]                
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Amounts reclassified from accumulated other comprehensive income, net of tax $ 60       $ 211 $ 212    
Successor [Member]                
Accumulated Other Comprehensive Loss [Line Items]                
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest   2,046,763 2,046,763 2,046,763     $ 2,158,141  
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Net current-period other comprehensive income (loss)   1,500 1,500          
Successor [Member] | Postretirement Benefit Net (Loss) Gain [Member]                
Accumulated Other Comprehensive Loss [Line Items]                
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest             0  
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Postretirement benefit adjustments during the period   2,304            
Amounts reclassified from accumulated other comprehensive income, net of tax   (804)            
Net current-period other comprehensive income (loss)     1,500          
Balances, Ending   1,500 1,500 1,500        
Successor [Member] | Net Gain (Loss) on Cash Flow Hedges [Member]                
Accumulated Other Comprehensive Loss [Line Items]                
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest             0  
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Net current-period other comprehensive income (loss)     0          
Balances, Ending   0 0 0        
Successor [Member] | AOCI [Member]                
Accumulated Other Comprehensive Loss [Line Items]                
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest   1,500 1,500 1,500     $ 0  
Other Comprehensive Income (Loss) Net of Tax, Period Change [Abstract]                
Postretirement benefit adjustments during the period   2,304            
Amounts reclassified from accumulated other comprehensive income, net of tax   (804)            
Net current-period other comprehensive income (loss)   1,500 1,500          
Balances, Ending   $ 1,500 $ 1,500 $ 1,500