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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Pension and other post retirement obligations: |  |  |  |  |
Amortization of actuarial losses included in net periodic pension cost, gross | $ 820 | $ 652 | $ 1,640 | $ 1,303 |
Tax effect | (197) | (160) | (394) | (319) |
Amortization of actuarial losses included in net periodic pension cost, net | 623 | 492 | 1,246 | 984 |
Amortization of prior service cost included in net periodic pension cost, gross | 16 | (29) | 31 | (58) |
Tax effect | (4) | 8 | (7) | 15 |
Amortization of prior service cost included in net periodic pension cost, net | 12 | (21) | 24 | (43) |
Other comprehensive income related to pension and other post-retirement obligations, net of taxes | 635 | 471 | 1,270 | 941 |
Unrealized gains on available-for-sale securities: |  |  |  |  |
Net unrealized holding gains arising during period, gross | 7,832 | 33,547 | 130,260 | 57,452 |
Tax effect | (1,880) | (8,189) | (31,273) | (14,021) |
Net unrealized holding gains arising during period, net | 5,952 | 25,358 | 98,987 | 43,431 |
Reclassification adjustment for net gains included in net income, gross | 0 | (4,882) | 0 | (4,882) |
Tax effect | 0 | 1,194 | 0 | 1,194 |
Reclassification adjustment for net gains included in net income, net | 0 | (3,688) | 0 | (3,688) |
Other comprehensive income related to unrealized gains on available-for-sale securities, net of taxes | 5,952 | 21,670 | 98,987 | 39,743 |
Other comprehensive income, net of tax | 6,587 | 22,141 | 100,257 | 40,684 |
Net income | 35,248 | 45,015 | 75,382 | 86,961 |
Comprehensive income | 41,835 | $ 67,156 | 175,639 | $ 127,645 |
Accumulated Other Comprehensive Income By Component: |  |  |  |  |
Unrealized (loss) for pension and other post-retirement obligations | (44,504) |  | (44,504) |  | $ (46,175)
Tax effect | 10,892 |  | 10,892 |  | 11,293
Net unrealized (loss) for pension and other post-retirement obligations | (33,612) |  | (33,612) |  | (34,882)
Unrealized gain on available-for-sale securities | 163,137 |  | 163,137 |  | 32,877
Tax effect | (39,494) |  | (39,494) |  | (8,221)
Net unrealized gain on available-for-sale securities | 123,643 |  | 123,643 |  | 24,656
Accumulated other comprehensive income (loss) | $ 90,031 |  | $ 90,031 |  | $ (10,226)

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