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Changes in Accumulated Other Comprehensive Income (Loss) by Component (Tables) | 9 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Changes in Accumulated Other Comprehensive Income (Loss) | The following tables present the changes in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2023 and 2022. Amounts in parentheses indicate reductions to AOCI.
|  |  |  |  | Unrealized Gains (Losses) on Available for Sale Securities (1) |  |  |  |
|  |  |  |  | Three Months Ended September 30,
(amounts in thousands) |  |  |  |  | 2023 |  |  |  |  |  | 2022 |  |  |  |
Balance at July 1 |  |  |  |  | $ | (168,176) |  |  |  |  |  |  | $ | (124,881) |  |  |  |  |
Unrealized gains (losses) arising during period, before tax |  |  |  |  | 23,666 |  |  |  |  |  |  | (46,450) |  |  |  |  |
Income tax effect |  |  |  |  | (6,011) |  |  |  |  |  |  | 12,077 |  |  |  |  |
Other comprehensive income (loss) before reclassifications |  |  |  |  | 17,655 |  |  |  |  |  |  | (34,373) |  |  |  |  |
Reclassification adjustments for (gains) losses included in net income, before tax |  |  |  |  | (429) |  |  |  |  |  |  | 4,227 |  |  |  |  |
Income tax effect |  |  |  |  | 109 |  |  |  |  |  |  | (1,099) |  |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income |  |  |  |  | (320) |  |  |  |  |  |  | 3,128 |  |  |  |  |
Amortization of unrealized loss on securities transferred from available for sale to held to maturity |  |  |  |  | 1,379 |  |  |  |  |  |  | — |  |  |  |  |
Income tax effect |  |  |  |  | (350) |  |  |  |  |  |  | — |  |  |  |  |
Amortization of unrealized loss on securities transferred from available for sale to held to maturity |  |  |  |  | 1,029 |  |  |  |  |  |  | — |  |  |  |  |
Net current-period other comprehensive income (loss) |  |  |  |  | 18,364 |  |  |  |  |  |  | (31,245) |  |  |  |  |
Balance at September 30 |  |  |  |  | $ | (149,812) |  |  |  |  |  |  | $ | (156,126) |  |  |  |  |
|  |  | Unrealized Gains (Losses) Available for Sale Securities (1) |  |  |  |
|  |  | Nine Months Ended September 30, |  |  |  |
(amounts in thousands) |  |  | 2023 |  |  |  |  |  |  |  | 2022 |  |  |  |
Balance at January 1 |  |  | $ | (163,096) |  |  |  |  |  |  |  |  | $ | (4,980) |  |  |  |  |
Unrealized gains (losses) arising during period, before tax |  |  | 14,535 |  |  |  |  |  |  |  |  | (213,532) |  |  |  |  |
Income tax effect |  |  | (3,692) |  |  |  |  |  |  |  |  | 55,518 |  |  |  |  |
Other comprehensive income (loss) before reclassifications |  |  | 10,843 |  |  |  |  |  |  |  |  | (158,014) |  |  |  |  |
Reclassification adjustments for (gains) losses included in net income, before tax |  |  | (429) |  |  |  |  |  |  |  |  | 9,281 |  |  |  |  |
Income tax effect |  |  | 109 |  |  |  |  |  |  |  |  | (2,413) |  |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income |  |  | (320) |  |  |  |  |  |  |  |  | 6,868 |  |  |  |  |
Amortization of unrealized loss on securities transferred from available for sale to held to maturity |  |  | 3,700 |  |  |  |  |  |  |  |  | — |  |  |  |  |
Income tax effect |  |  | (939) |  |  |  |  |  |  |  |  | — |  |  |  |  |
Amortization of unrealized loss on securities transferred from available for sale to held to maturity |  |  | 2,761 |  |  |  |  |  |  |  |  | — |  |  |  |  |
Net current-period other comprehensive income (loss) |  |  | 13,284 |  |  |  |  |  |  |  |  | (151,146) |  |  |  |  |
Balance at September 30 |  |  | $ | (149,812) |  |  |  |  |  |  |  |  | $ | (156,126) |  |  |  |  |
(1)Reclassification amounts for AFS debt securities are reported as gain (loss) on sale of investment securities and amortization of unrealized losses on debt securities transferred from available-for-sale to held-to-maturity is reported within interest income on the consolidated statements of income.

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