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Electric utility segment - Consolidating Statements of Changes in Common Stock Equity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | $ 2,390,884 | $ 2,337,502 | $ 2,280,260
Net income for common stock | 241,138 | 246,166 | 197,824
Other comprehensive income (loss), net of taxes | (283,495) | (51,269) | 18,775
Common stock dividends | (153,229) | (148,643) | (144,096)
Ending balance | 2,202,499 | 2,390,884 | 2,337,502
Hawaiian Electric (parent only) |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | 2,390,884 |  |
Net income for common stock | 241,138 | 246,166 | 197,824
Ending balance | 2,202,499 | 2,390,884 |
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | 2,261,899 | 2,141,918 | 2,047,352
Net income for common stock | 188,929 | 177,642 | 169,340
Other comprehensive income (loss), net of taxes | 6,141 | (361) | (1,640)
Issuance of common stock, net of expenses | 13,101 | 54,400 | 34,000
Common stock dividends | (125,900) | (111,700) | (107,134)
Dissolution of subsidiary |  |  | 0
Ending balance | 2,344,170 | 2,261,899 | 2,141,918
Hawaiian Electric Company, Inc. and Subsidiaries | Reportable Legal Entities | Hawaiian Electric (parent only) |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | 2,261,899 | 2,141,918 | 2,047,352
Net income for common stock | 188,929 | 177,642 | 169,340
Other comprehensive income (loss), net of taxes | 6,141 | (361) | (1,640)
Issuance of common stock, net of expenses | 13,101 | 54,400 | 34,000
Common stock dividends | (125,900) | (111,700) | (107,134)
Ending balance | 2,344,170 | 2,261,899 | 2,141,918
Hawaiian Electric Company, Inc. and Subsidiaries | Reportable Legal Entities | Hawaii Electric Light |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | 332,900 | 317,451 | 298,998
Net income for common stock | 21,816 | 21,180 | 27,493
Other comprehensive income (loss), net of taxes | 381 | 66 | (220)
Issuance of common stock, net of expenses | 6,023 | 8,803 | 7,500
Common stock dividends | (16,400) | (14,600) | (16,320)
Ending balance | 344,720 | 332,900 | 317,451
Hawaiian Electric Company, Inc. and Subsidiaries | Reportable Legal Entities | Maui Electric |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | 343,260 | 309,363 | 292,870
Net income for common stock | 25,677 | 24,173 | 20,011
Other comprehensive income (loss), net of taxes | 276 | 227 | (134)
Issuance of common stock, net of expenses | 3,023 | 24,597 | 11,000
Common stock dividends | (15,200) | (15,100) | (14,384)
Ending balance | 357,036 | 343,260 | 309,363
Hawaiian Electric Company, Inc. and Subsidiaries | Reportable Legal Entities | Other subsidiaries |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | 77 | 77 | 101
Dissolution of subsidiary |  |  | (24)
Ending balance | 77 | 77 | 77
Hawaiian Electric Company, Inc. and Subsidiaries | Consolidating adjustments |  |  |
Increase (decrease) in stockholders' equity |  |  |
Beginning balance | (676,237) | (626,891) | (591,969)
Net income for common stock | (47,493) | (45,353) | (47,504)
Other comprehensive income (loss), net of taxes | (657) | (293) | 354
Issuance of common stock, net of expenses | (9,046) | (33,400) | (18,500)
Common stock dividends | 31,600 | 29,700 | 30,704
Dissolution of subsidiary |  |  | 24
Ending balance | $ (701,833) | $ (676,237) | $ (626,891)

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