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Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2021
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, |
|  | 2021 |  |  | 2020 |
|  | 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 |  | $ | 8,917 |  |  | $ | (2,636 | ) |  | $ | 6,281 |  |  | $ | (1,263 | ) |  | $ | 373 |  |  | $ | (890 | )
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | 20 |  |  |  | (6 | ) |  |  | 14 |  |  |  | (17 | ) |  |  | 5 |  |  |  | (12 | )
Net change |  | $ | 8,937 |  |  | $ | (2,642 | ) |  | $ | 6,295 |  |  | $ | (1,280 | ) |  | $ | 378 |  |  | $ | (902 | )
|  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |
|  | 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 |  | $ | (31,474 | ) |  | $ | 9,305 |  |  | $ | (22,169 | ) |  | $ | 35,356 |  |  | $ | (10,453 | ) |  | $ | 24,903 |
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | 101 |  |  |  | (30 | ) |  |  | 71 |  |  |  | (18 | ) |  |  | 5 |  |  |  | (13 | )
Net change |  | $ | (31,373 | ) |  | $ | 9,275 |  |  | $ | (22,098 | ) |  | $ | 35,338 |  |  | $ | (10,448 | ) |  | $ | 24,890 |

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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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