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Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 2020
Equity [Abstract] |
Components of Other Comprehensive Income (Loss) Pre-Tax and After-Tax | The following table provides the components of other comprehensive income on a pre-tax and after-tax basis for the periods presented (in thousands):
| Three Months Ended June 30, |  |  |  |  |  |  |  |  |  |
| 2020 |  |  |  |  |  | 2019 |  |  |  |
| Pre-tax |  | Tax |  | After-tax |  | Pre-tax |  | Tax |  | After-tax
Net changes related to available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains arising during the period | $ | 34,661 |  |  | $ | 8,466 |  |  | $ | 26,195 |  |  | $ | 15,825 |  |  | $ | 3,896 |  |  | $ | 11,929 |
Less: Reclassification adjustments for (gains) losses realized in net income | (168) |  |  | (41) |  |  | (127) |  |  | 36 |  |  | 10 |  |  | 26 |
Other comprehensive income | $ | 34,493 |  |  | $ | 8,425 |  |  | $ | 26,068 |  |  | $ | 15,861 |  |  | $ | 3,906 |  |  | $ | 11,955 |
| Six Months Ended June 30, |  |  |  |  |  |  |  |  |  |
| 2020 |  |  |  |  |  | 2019 |  |  |  |
| Pre-tax |  | Tax |  | After-tax |  | Pre-tax |  | Tax |  | After-tax
Net changes related to available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains arising during the period | $ | 23,435 |  |  | $ | 5,961 |  |  | $ | 17,474 |  |  | $ | 31,870 |  |  | $ | 7,849 |  |  | $ | 24,021 |
Less: Reclassification adjustments for (gains) losses realized in net income | (467) |  |  | (115) |  |  | (352) |  |  | (109) |  |  | (27) |  |  | (82) |
Other comprehensive income | $ | 22,968 |  |  | $ | 5,846 |  |  | $ | 17,122 |  |  | $ | 31,761 |  |  | $ | 7,822 |  |  | $ | 23,939 |
Reclassification adjustment to retained earnings (1) | 791 |  |  | 194 |  |  | 597 |  |  | — |  |  | — |  |  | — |
Change in accumulated other comprehensive income | $ | 23,759 |  |  | $ | 6,040 |  |  | $ | 17,719 |  |  | $ | 31,761 |  |  | $ | 7,822 |  |  | $ | 23,939 |
(1)This amount represents reclassifications to retained earnings associated with the allowance for expected credit losses within accumulated other comprehensive income relating to available-for-sale debt security investments. See “—Note 2 (Significant Accounting Policies—Recently Adopted Accounting Pronouncements)” for more information.
Reclassifications Adjustment for Gains (Losses) Out of Accumulated Other Comprehensive Income | The following table provides the reclassification adjustments for gains (losses) out of accumulated other comprehensive income for the periods presented (in thousands):
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  | Affected Line Item in the Statement Where Net Income is Presented
|  | Three Months Ended June 30, |  |  |  | Six Months Ended June 30, |  |  |  |
|  | 2020 |  | 2019 |  | 2020 |  | 2019 |  |
Unrealized gains (losses) on available-for-sale debt securities |  |  |  |  |  |  |  |  |  |
|  | $ | 168 |  |  | $ | (36) |  |  | $ | 467 |  |  | $ | 109 |  |  | Net realized gains (losses) on sale of securities
|  | (41) |  |  | 10 |  |  | (115) |  |  | (27) |  |  | Income taxes
Total reclassification for the period |  | $ | 127 |  |  | $ | (26) |  |  | $ | 352 |  |  | $ | 82 |  |  | Net of tax

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