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v3.20.2

Comprehensive Income - Components of Other Comprehensive Income (Loss) and Related Tax Effects (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Equity [Abstract] |  |  |  |
Unrealized holding gains on available for sale securities before reclassifications | $ 4,645 | $ 5,355 | $ 10,043 | $ 27,618
Realized gain on debt securities | (7) | (107) | (7) | (107)
Unrealized holding gains (losses) on available for sale securities after reclassifications | 4,638 | 5,248 | 10,036 | 27,511
Tax effect | (1,372) | (1,551) | (2,967) | (8,133)
Unrealized holding gains on available for sale securities, net of tax | 3,266 | 3,697 | 7,069 | 19,378
Change in unfunded status of the supplemental retirement plans before reclassifications | 1,936 | (89) | 2,607 | (266)
Amounts reclassified out of AOCI: |  |  |  |
Amortization of prior service cost | (14) | (13) | (41) | (40)
Amortization of actuarial losses | 478 | 102 | 1,434 | 306
Total amounts reclassified out of accumulated other comprehensive income | 464 | 89 | 1,393 | 266
Change in unfunded status of the supplemental retirement plans after reclassifications | 2,400 | 0 | 4,000 | 0
Tax effect | (709) | 0 | (1,183) | 0
Change in unfunded status of the supplemental retirement plans, net of tax | 1,691 | 0 | 2,817 | 0
Change in joint beneficiary agreement liability before reclassifications | 0 | 0 | 912 | 0
Tax effect | 0 | 0 | 0 | 0
Change in joint beneficiary agreement liability before reclassifications, net of tax | 0 | 0 | 912 | 0
Other comprehensive income | $ 4,957 | $ 3,697 | $ 10,798 | $ 19,378

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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References No definition available. + Details
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