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v3.23.1

Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2023
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 March 31, |
|  | 2023 |  |  | 2022 |
|  | 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 |  | $ | 40,424 |  |  | $ | (11,951 | ) |  | $ | 28,473 |  |  | $ | (202,072 | ) |  | $ | 59,740 |  |  | $ | (142,332 | )
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity |  |  | 278 |  |  |  | (82 | ) |  |  | 196 |  |  |  | 54 |  |  |  | (16 | ) |  |  | 38 |
Net change |  | $ | 40,702 |  |  | $ | (12,033 | ) |  | $ | 28,669 |  |  | $ | (202,018 | ) |  | $ | 59,724 |  |  | $ | (142,294 | )

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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 https://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 https://asc.fasb.org/extlink&oid=126968391&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 https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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