XML 135 R107.htm IDEA: XBRL DOCUMENT v3.3.1.900
Shareholders' equity Reclassification Out Of AOCI (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Interest rate contracts (settled in 2011) $ 77,150 $ 76,352 $ 75,479
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost (22,465) (11,344) (23,280)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets 25,139 (207,833) 222,595
Hawaiian Electric Company, Inc. and Subsidiaries      
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost (20,381) (10,212) (20,694)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets 25,139 (207,833) 222,595
Amount reclassified from AOCI      
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Total reclassifications (2,439) 217,698 (199,818)
Amount reclassified from AOCI | Unrealized losses on derivatives      
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Net realized gains on securities 0 (1,715) (738)
Interest rate contracts (settled in 2011) 235 236 235
Amount reclassified from AOCI | Retirement benefit plans      
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost 22,465 11,344 23,280
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets (25,139) 207,833 (222,595)
Amount reclassified from AOCI | Hawaiian Electric Company, Inc. and Subsidiaries      
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Total reclassifications (4,758) 218,045 (201,901)
Amount reclassified from AOCI | Hawaiian Electric Company, Inc. and Subsidiaries | Retirement benefit plans      
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items]      
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost 20,381 10,212 20,694
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets $ (25,139) $ 207,833 $ (222,595)