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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Accumulated Other Comprehensive Income | Accumulated other comprehensive income was as follows:
(Dollars in thousands) |  | As of December 31, |
|  | 2023 |  |  | 2022 |
Unrealized gain (loss) on available-for-sale securities |  | $ | (69,641 | ) |  | $ | (89,041 | )
Unrealized gain (loss) on held to maturity securities |  |  | (2,720 | ) |  |  | (3,053 | )
Unrealized gain (loss) on derivative instruments |  |  | 7,072 |  |  |  | 1,212 |
Tax effect |  |  | 13,711 |  |  |  | 19,085 |
Accumulated other comprehensive income (loss) |  | $ | (51,578 | ) |  | $ | (71,797 | )

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