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Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 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 September 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 |  | $ | (1,974 | ) |  | $ | 584 |  |  | $ | (1,390 | ) |  | $ | 5,672 |  |  | $ | (1,677 | ) |  | $ | 3,995 |
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | (30 | ) |  |  | 9 |  |  |  | (21 | ) |  |  | (249 | ) |  |  | 74 |  |  |  | (175 | )
Net realized gain reclassified into earnings (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (5 | ) |  |  | 1 |  |  |  | (4 | )
Net change |  | $ | (2,004 | ) |  | $ | 593 |  |  | $ | (1,411 | ) |  | $ | 5,418 |  |  | $ | (1,602 | ) |  | $ | 3,816 |
|  | Nine Months Ended September 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 |  | $ | 33,382 |  |  | $ | (9,869 | ) |  | $ | 23,513 |  |  | $ | 44,586 |  |  | $ | (13,181 | ) |  | $ | 31,405 |
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | (48 | ) |  |  | 14 |  |  |  | (34 | ) |  |  | (1,450 | ) |  |  | 429 |  |  |  | (1,021 | )
Net realized gain reclassified into earnings (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (5 | ) |  |  | 1 |  |  |  | (4 | )
Net change |  | $ | 33,334 |  |  | $ | (9,855 | ) |  | $ | 23,479 |  |  | $ | 43,131 |  |  | $ | (12,751 | ) |  | $ | 30,380 |
| (1) | Included in other noninterest income.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: 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=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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