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Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Net income for common stock | $ 45,688 | $ 40,247
Net unrealized gains (losses) on available-for-sale investment securities: |  |
Net unrealized gain (losses) on available-for-sale investment securities arising during the period, net of tax benefits (taxes) | 9,439 | (13,297)
Derivatives qualifying as cash flow hedges: |  |
Unrealized interest rate hedging losses arising during the period, net of tax benefits of $140 and nil, respectively | (403) | 0
Retirement benefit plans: |  |
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits | 2,503 | 5,146
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes | (2,298) | (4,622)
Other comprehensive income (loss), net of taxes | 9,241 | (12,773)
Comprehensive income attributable to Hawaiian Electric Industries, Inc. | 54,929 | 27,474
Hawaiian Electric Company, Inc. and Subsidiaries |  |
Net income for common stock | 32,126 | 27,475
Retirement benefit plans: |  |
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits | 2,322 | 4,653
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes | (2,298) | (4,622)
Other comprehensive income (loss), net of taxes | 24 | 31
Comprehensive income attributable to Hawaiian Electric Industries, Inc. | $ 32,150 | $ 27,506

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