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Shareholders' equity - Reclassification out of AOCI (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Revenues | $ (608,945) | $ (715,485) | $ (1,286,131) | $ (1,377,100)
Total reclassifications | (1,107) | 205 | (559) | 410
Bank |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Revenues | (74,714) | (81,687) | (154,452) | (164,739)
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Total reclassifications | 25 | 23 | 51 | 47
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 | (1,638) | 0 | (1,638) | 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 | 5,690 | 2,503 | 11,396 | 5,006
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 | 5,184 | 2,321 | 10,368 | 4,643
Impact of D&Os of the PUC included in regulatory assets |  |  |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |  |  |
Total reclassifications | (5,159) | (2,298) | (10,317) | (4,596)
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 | $ (5,159) | $ (2,298) | $ (10,317) | $ (4,596)

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