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INVESTMENT SECURITIES | 12 Months Ended
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Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
INVESTMENT SECURITIES | INVESTMENT SECURITIES Investment Securities Available for Sale Investment securities available for sale at December 31, 2024 and December 31, 2023 were as follows:
| December 31, 2024
(dollars in thousands) | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Basis Adjustments(2) |  | Fair value
Investment securities available for sale |  |  |  |  |  |  |  |  |
U.S. government sponsored entities and U.S. agency securities | $ | 21,655 |  |  | $ | 25 |  |  | $ | (1,539) |  |  | $ | — |  |  | $ | 20,141 |
Mortgage-backed securities - agency | 940,508 |  |  | 1,558 |  |  | (94,868) |  |  | (142) |  |  | 847,056 |
Mortgage-backed securities - non-agency | 103,051 |  |  | 1,410 |  |  | (3,449) |  |  | — |  |  | 101,012 |
State and municipal securities | 75,597 |  |  | 96 |  |  | (6,632) |  |  | — |  |  | 69,061 |
Corporate securities | 85,602 |  |  | 42 |  |  | (5,763) |  |  | — |  |  | 79,881 |
Other securities(1) | 90,372 |  |  | 158 |  |  | (107) |  |  | — |  |  | 90,423 |
Total available for sale securities | $ | 1,316,785 |  |  | $ | 3,289 |  |  | $ | (112,358) |  |  | $ | (142) |  |  | $ | 1,207,574 |
(1)The fair value of other securities includes student loan asset backed securities of $50.0 million and structured financial products of $40.4 million. (2)Basis adjustments represent the amount of fair value hedging adjustments included in the carrying amount of fixed-rate investment securities designated in fair value hedging arrangements. See Note 8 - Derivative Instruments for additional information regarding these derivative financial instruments.
| December 31, 2023
(dollars in thousands) | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  |  |  | Fair value
Investment securities available for sale |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | 1,097 |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 1,097 |
U.S. government sponsored entities and U.S. agency securities | 74,161 |  |  | 176 |  |  | (1,765) |  |  |  |  | 72,572 |
Mortgage-backed securities - agency | 650,119 |  |  | 2,325 |  |  | (77,944) |  |  |  |  | 574,500 |
Mortgage-backed securities - non-agency | 87,019 |  |  | 414 |  |  | (3,904) |  |  |  |  | 83,529 |
State and municipal securities | 62,952 |  |  | 258 |  |  | (5,750) |  |  |  |  | 57,460 |
Corporate securities | 109,598 |  |  | 41 |  |  | (10,467) |  |  |  |  | 99,172 |
Other securities(1) | 27,646 |  |  | 3 |  |  | (84) |  |  |  |  | 27,565 |
Total available for sale securities | $ | 1,012,592 |  |  | $ | 3,217 |  |  | $ | (99,914) |  |  |  |  | $ | 915,895 |
(1)The fair value of other securities includes structured financial products of $27.6 million. Investment securities with a carrying amount of $283.7 million and $320.5 million were pledged for public deposits at December 31, 2024 and 2023, respectively. Excluding securities issued or backed by U.S. government or its sponsored entities and agencies, there were no investments in securities from one issuer that exceeded 10% of shareholders' equity as of December 31, 2024 and 2023. The table below shows the amortized cost and fair value of the investment securities portfolio by contractual maturity for all securities other than mortgage-backed securities, at December 31, 2024. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately.
(dollars in thousands) | Amortized cost |  | Fair value
Investment securities available for sale |  |  |
Within one year | $ | 4,210 |  |  | $ | 4,188 |
After one year through five years | 60,412 |  |  | 56,741 |
After five years through ten years | 97,151 |  |  | 88,734 |
After ten years | 111,453 |  |  | 109,843 |
Mortgage-backed securities | 1,043,559 |  |  | 948,068 |
Total available for sale securities | $ | 1,316,785 |  |  | $ | 1,207,574 |
Proceeds and gross realized gains and losses on sales of investment securities available for sale for the years ended December 31, 2024, 2023 and 2022 are summarized as follows:
|  |  | Years Ended December 31,
(dollars in thousands) |  |  |  |  | 2024 |  | 2023 |  | 2022
Investment securities available for sale |  |  |  |  |  |  |  |  |
Proceeds from sales |  |  |  |  | $ | 74,116 |  |  | $ | 191,733 |  |  | $ | 136,403 |
Gross realized gains on sales |  |  |  |  | 420 |  |  | 338 |  |  | 829 |
Gross realized losses on sales |  |  |  |  | (650) |  |  | (9,710) |  |  | (1,059) |
Unrealized losses and fair values for investment securities available for sale as of December 31, 2024 and December 31, 2023, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are summarized as follows:
| December 31, 2024
| Less than 12 Months |  | 12 Months or more |  | Total
(dollars in thousands) | Fair value |  | Unrealized loss |  | Fair value |  | Unrealized loss |  | Fair value |  | Unrealized loss
Investment securities available for sale |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored entities and U.S. agency securities | $ | 4,973 |  |  | $ | 27 |  |  | $ | 8,488 |  |  | $ | 1,512 |  |  | $ | 13,461 |  |  | $ | 1,539 |
Mortgage-backed securities - agency | 300,427 |  |  | 9,735 |  |  | 385,332 |  |  | 85,133 |  |  | 685,759 |  |  | 94,868 |
Mortgage-backed securities - non-agency | 12,433 |  |  | 33 |  |  | 24,153 |  |  | 3,416 |  |  | 36,586 |  |  | 3,449 |
State and municipal securities | 21,209 |  |  | 365 |  |  | 43,131 |  |  | 6,267 |  |  | 64,340 |  |  | 6,632 |
Corporate securities | 23,833 |  |  | 1,910 |  |  | 52,271 |  |  | 3,853 |  |  | 76,104 |  |  | 5,763 |
Other securities | 25,202 |  |  | 106 |  |  | 2,130 |  |  | 1 |  |  | 27,332 |  |  | 107 |
Total available for sale securities | $ | 388,077 |  |  | $ | 12,176 |  |  | $ | 515,505 |  |  | $ | 100,182 |  |  | $ | 903,582 |  |  | $ | 112,358 |
| December 31, 2023
| Less than 12 Months |  | 12 Months or more |  | Total
(dollars in thousands) | Fair value |  | Unrealized loss |  | Fair value |  | Unrealized loss |  | Fair value |  | Unrealized loss
Investment securities available for sale |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored entities and U.S. agency securities | $ | 42,826 |  |  | $ | 87 |  |  | $ | 8,323 |  |  | $ | 1,678 |  |  | $ | 51,149 |  |  | $ | 1,765 |
Mortgage-backed securities - agency | 130,106 |  |  | 7,386 |  |  | 348,476 |  |  | 70,558 |  |  | 478,582 |  |  | 77,944 |
Mortgage-backed securities - non-agency | 8,852 |  |  | 353 |  |  | 19,418 |  |  | 3,551 |  |  | 28,270 |  |  | 3,904 |
State and municipal securities | 51,497 |  |  | 5,750 |  |  | — |  |  | — |  |  | 51,497 |  |  | 5,750 |
Corporate securities | 4,688 |  |  | 53 |  |  | 84,662 |  |  | 10,414 |  |  | 89,350 |  |  | 10,467 |
Other securities | 14,763 |  |  | 84 |  |  | — |  |  | — |  |  | 14,763 |  |  | 84 |
Total available for sale securities | $ | 252,732 |  |  | $ | 13,713 |  |  | $ | 460,879 |  |  | $ | 86,201 |  |  | $ | 713,611 |  |  | $ | 99,914 |
At December 31, 2024, 295 investment securities available for sale had unrealized losses with aggregate depreciation of 10.82% from their amortized cost basis. For all of the above investment securities, the unrealized losses were generally due to changes in interest rates and other market conditions, and unrealized losses were considered to be temporary as the fair value is expected to recover as the securities approach their respective maturity dates and principal is paid back in full. The Company does not intend to sell and it is likely that the Company will not be required to sell the securities prior to their anticipated recovery.

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