XML 57 R43.htm IDEA: XBRL DOCUMENT v3.21.2
Electric utility segment - Condensed consolidating statement of changes in common stock equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Increase (decrease) in stockholders' equity                
Beginning balance $ 2,367,329 $ 2,321,293 $ 2,337,502 $ 2,291,398 $ 2,276,505 $ 2,280,260 $ 2,337,502 $ 2,280,260
Net income for common stock 63,415 63,872 64,358 65,032 48,887 33,420 191,645 147,339
Other comprehensive income, net of taxes (11,305) 16,472 (44,016) 1,440 (332) 18,212 (38,849) 19,320
Common stock dividends (37,166) (37,155) (37,156) (36,030) (36,017) (36,019)    
Ending balance 2,383,543 2,367,329 2,321,293 2,323,231 2,291,398 2,276,505 2,383,543 2,323,231
Hawaiian Electric Consolidated                
Increase (decrease) in stockholders' equity                
Beginning balance 2,171,396 2,157,385 2,141,918 2,060,069 2,044,499 2,047,352 2,141,918 2,047,352
Net income for common stock 50,342 41,901 43,358 60,065 42,329 23,905 135,601 126,299
Other comprehensive income, net of taxes 106 35 34 48 25 26 175 99
Common stock dividends (27,925) (27,925) (27,925) (26,784) (26,784) (26,784) (83,775) (80,352)
Ending balance 2,193,919 $ 2,171,396 2,157,385 2,093,398 $ 2,060,069 2,044,499 2,193,919 2,093,398
Hawaiian Electric Consolidated | Reportable Legal Entities | Hawaiian Electric Industries, Inc.                
Increase (decrease) in stockholders' equity                
Beginning balance     2,141,918     2,047,352 2,141,918 2,047,352
Net income for common stock 50,342     60,065     135,601 126,299
Other comprehensive income, net of taxes 106     48     175 99
Common stock dividends             (83,775) (80,352)
Ending balance 2,193,919     2,093,398     2,193,919 2,093,398
Hawaiian Electric Consolidated | Reportable Legal Entities | Hawaii Electric Light                
Increase (decrease) in stockholders' equity                
Beginning balance     317,451     298,998 317,451 298,998
Net income for common stock 4,888     8,060     17,187 21,306
Other comprehensive income, net of taxes 2     (2)     3 2
Common stock dividends             (10,950) (12,240)
Ending balance 323,691     308,066     323,691 308,066
Hawaiian Electric Consolidated | Reportable Legal Entities | Maui Electric                
Increase (decrease) in stockholders' equity                
Beginning balance     309,363     292,870 309,363 292,870
Net income for common stock 7,140     6,852     18,095 16,186
Other comprehensive income, net of taxes 0     3     0 0
Common stock dividends             (11,326) (10,788)
Ending balance 316,132     298,268     316,132 298,268
Hawaiian Electric Consolidated | Reportable Legal Entities | Other subsidiaries                
Increase (decrease) in stockholders' equity                
Beginning balance     77     101 77 101
Net income for common stock 0     0     0 0
Other comprehensive income, net of taxes 0     0     0 0
Dissolution of subsidiary               (24)
Ending balance 77     77     77 77
Hawaiian Electric Consolidated | Consolidating adjustments                
Increase (decrease) in stockholders' equity                
Beginning balance     $ (626,891)     $ (591,969) (626,891) (591,969)
Net income for common stock (12,028)     (14,912)     (35,282) (37,492)
Other comprehensive income, net of taxes (2)     (1)     (3) (2)
Common stock dividends             22,276 23,028
Dissolution of subsidiary               24
Ending balance $ (639,900)     $ (606,411)     $ (639,900) $ (606,411)