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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Pension and other post retirement obligations: |  |  |  |  |
Amortization of actuarial losses included in net periodic pension cost, gross | $ 652 | $ 303 | $ 1,303 | $ 606 |
Tax effect | (160) | (74) | (319) | (147) |
Amortization of actuarial losses included in net periodic pension cost, net | 492 | 229 | 984 | 459 |
Amortization of prior service cost included in net periodic pension cost, gross | (29) | (127) | (58) | (254) |
Tax effect | 8 | 31 | 15 | 62 |
Amortization of prior service cost included in net periodic pension cost, net | (21) | (96) | (43) | (192) |
Other comprehensive income related to pension and other post-retirement obligations, net of taxes | 471 | 133 | 941 | 267 |
Unrealized gains (losses) on available-for-sale securities: |  |  |  |  |
Net unrealized holding gains (losses) arising during period, gross | 33,547 | (14,816) | 57,452 | (56,632) |
Tax effect | (8,189) | 3,625 | (14,021) | 13,781 |
Net unrealized holding gains (losses) arising during period, net | 25,358 | (11,191) | 43,431 | (42,851) |
Reclassification adjustment for net gains included in net income, gross | (4,882) | 0 | (4,882) | 0 |
Tax effect | 1,194 | 0 | 1,194 | 0 |
Reclassification adjustment for net gains included in net income, net | (3,688) | 0 | (3,688) | 0 |
Reclassification of other comprehensive income due to change in accounting principle - equity securities | 0 | (208) | 0 | (208) |
Other comprehensive income/(loss) related to unrealized gains (losses) on available-for-sale securities, net of taxes | 21,670 | (11,399) | 39,743 | (43,059) |
Other comprehensive income (loss), net of tax | 22,141 | (11,266) | 40,684 | (42,792) |
Net income | 45,015 | 44,606 | 86,961 | 84,712 |
Comprehensive income | 67,156 | $ 33,340 | 127,645 | $ 41,920 |
Accumulated Other Comprehensive Income By Component: |  |  |  |  |
Unrealized (loss) for pension and other post-retirement obligations | (42,252) |  | (42,252) |  | $ (43,497)
Tax effect | 10,356 |  | 10,356 |  | 10,660
Net unrealized (loss) for pension and other post-retirement obligations | (31,896) |  | (31,896) |  | (32,837)
Unrealized gain (loss) on available-for-sale securities | 36,341 |  | 36,341 |  | (16,229)
Tax effect | (9,066) |  | (9,066) |  | 3,969
Reclassification of other comprehensive income due to change in accounting principle - equity securities | 0 |  | 0 |  | (208)
Net unrealized gain (loss) on available-for-sale securities | 27,275 |  | 27,275 |  | (12,468)
Accumulated other comprehensive (loss) | $ (4,621) |  | $ (4,621) |  | $ (45,305)

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