XML 81 R65.htm IDEA: XBRL DOCUMENT v3.21.1
Shareholders' equity - Reclassification out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Reclassifications out of accumulated other comprehensive income/(loss)    
Revenues $ (642,946) $ (677,186)
Total reclassifications (188) 548
Bank    
Reclassifications out of accumulated other comprehensive income/(loss)    
Revenues (77,131) (79,738)
Hawaiian Electric Company, Inc. and Subsidiaries    
Reclassifications out of accumulated other comprehensive income/(loss)    
Revenues (564,864) (597,442)
Total reclassifications 34 26
Net realized gains on securities included in net income | Reclassification out of Accumulated Other Comprehensive Income | Bank    
Reclassifications out of accumulated other comprehensive income/(loss)    
Revenues (387) 0
Amortization of prior service credit and net losses recognized during the period in net periodic benefit cost    
Reclassifications out of accumulated other comprehensive income/(loss)    
Total reclassifications 6,010 5,706
Amortization of prior service credit and net losses recognized during the period in net periodic benefit cost | Hawaiian Electric Company, Inc. and Subsidiaries    
Reclassifications out of accumulated other comprehensive income/(loss)    
Total reclassifications 5,845 5,184
Impact of D&Os of the PUC included in regulatory assets    
Reclassifications out of accumulated other comprehensive income/(loss)    
Total reclassifications (5,811) (5,158)
Impact of D&Os of the PUC included in regulatory assets | Hawaiian Electric Company, Inc. and Subsidiaries    
Reclassifications out of accumulated other comprehensive income/(loss)    
Total reclassifications $ (5,811) $ (5,158)