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Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2020
Equity [Abstract] |
Summary of Components of Other Comprehensive Income | The table below provides a summary of the components of other comprehensive income (“OCI”) for the periods presented.
|  | Three Months Ended June 30,
|  | 2020 |  | 2019
|  | Before-tax |  | Tax effect |  | After-tax |  | Before-tax |  | Tax effect |  | After-tax
|  | (Dollars in thousands)
Investment securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net change in fair value recorded in accumulated OCI |  | $ | (1,263 | ) |  | $ | 373 |  |  | $ | (890 | ) |  | $ | 19,564 |  |  | $ | (5,784 | ) |  | $ | 13,780 |
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | (17 | ) |  |  | 5 |  |  |  | (12 | ) |  |  | (78 | ) |  |  | 23 |  |  |  | (55 | )
Net change |  | $ | (1,280 | ) |  | $ | 378 |  |  | $ | (902 | ) |  | $ | 19,486 |  |  | $ | (5,761 | ) |  | $ | 13,725 |
|  | Six Months Ended June 30,
|  | 2020 |  | 2019
|  | Before-tax |  | Tax effect |  | After-tax |  | Before-tax |  | Tax effect |  | After-tax
|  | (Dollars in thousands)
Investment securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net change in fair value recorded in accumulated OCI |  | $ | 35,356 |  |  | $ | (10,453 | ) |  | $ | 24,903 |  |  | $ | 38,914 |  |  | $ | (11,504 | ) |  | $ | 27,410 |
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | (18 | ) |  |  | 5 |  |  |  | (13 | ) |  |  | (1,201 | ) |  |  | 355 |  |  |  | (846 | )
Net change |  | $ | 35,338 |  |  | $ | (10,448 | ) |  | $ | 24,890 |  |  | $ | 37,713 |  |  | $ | (11,149 | ) |  | $ | 26,564 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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