INVESTMENT SECURITIES (Tables)
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6 Months Ended |
Jun. 30, 2025 |
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| Investments, Debt and Equity Securities [Abstract] |
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| Schedule of Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale |
The amortized cost and estimated fair value of securities available-for-sale along with allowance for credit losses, gross unrealized gains and losses are summarized as follows:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (dollars in thousands) Securities available-for-sale | | Amortized
Cost | | Allowance for Credit Losses | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | Estimated
Fair
Value | | June 30, 2025 | | | | | | | | | | | | U.S. Treasuries | | $ | 702,156 | | | $ | — | | | $ | 6,709 | | | $ | (1,052) | | | $ | 707,813 | | | U.S. government-sponsored agencies | | 1,003 | | | — | | | — | | | (6) | | | 997 | | | State, county and municipal securities | | 22,425 | | | — | | | 7 | | | (765) | | | 21,667 | | | Corporate debt securities | | 10,945 | | | (66) | | | — | | | (498) | | | 10,381 | | | SBA pool securities | | 61,566 | | | — | | | 77 | | | (924) | | | 60,719 | | | Mortgage-backed securities | | 1,079,292 | | | — | | | 7,945 | | | (17,516) | | | 1,069,721 | | | Total debt securities available-for-sale | | $ | 1,877,387 | | | $ | (66) | | | $ | 14,738 | | | $ | (20,761) | | | $ | 1,871,298 | | | | | | | | | | | | | | December 31, 2024 | | | | | | | | | | | | U.S. Treasuries | | $ | 800,860 | | | $ | — | | | $ | 669 | | | $ | (5,065) | | | $ | 796,464 | | | U.S. government-sponsored agencies | | 1,010 | | | — | | | — | | | (16) | | | 994 | | | State, county and municipal securities | | 25,802 | | | — | | | 8 | | | (1,070) | | | 24,740 | | | Corporate debt securities | | 10,946 | | | (69) | | | — | | | (594) | | | 10,283 | | | SBA pool securities | | 72,036 | | | — | | | — | | | (1,554) | | | 70,482 | | | Mortgage-backed securities | | 797,542 | | | — | | | 1,494 | | | (30,739) | | | 768,297 | | | Total debt securities available-for-sale | | $ | 1,708,196 | | | $ | (69) | | | $ | 2,171 | | | $ | (39,038) | | | $ | 1,671,260 | |
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| Schedule of Amortized Cost and Estimated Fair Value of Debt Securities Held-to-Maturity |
The amortized cost and estimated fair value of securities held-to-maturity along with gross unrealized gains and losses are summarized as follows:
| | | | | | | | | | | | | | | | | | | | | | | | | | | (dollars in thousands) Securities held-to-maturity | | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | Estimated
Fair
Value | | June 30, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | State, county and municipal securities | | $ | 33,573 | | | $ | — | | | $ | (6,231) | | | $ | 27,342 | | | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | 142,914 | | | 297 | | | (11,409) | | | 131,802 | | | Total debt securities held-to-maturity | | $ | 176,487 | | | $ | 297 | | | $ | (17,640) | | | $ | 159,144 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | | | State, county and municipal securities | | $ | 33,623 | | | $ | — | | | $ | (6,214) | | | $ | 27,409 | | | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | 131,054 | | | 80 | | | (14,515) | | | 116,619 | | | Total debt securities held-to-maturity | | $ | 164,677 | | | $ | 80 | | | $ | (20,729) | | | $ | 144,028 | | | | | | | | | | | | | | | | | | | |
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| Schedule of Amortized Cost and Estimated Fair Value of Debt Securities, Classified by Contractual Maturity Date |
The amortized cost and estimated fair value of debt securities available-for-sale and held-to-maturity as of June 30, 2025, by contractual maturity are shown below. Maturities may differ from contractual maturities in mortgage-backed securities because the mortgages underlying these securities may be called or repaid without penalty. Therefore, these securities are not included in the maturity categories in the following maturity summary:
| | | | | | | | | | | | | | | | | | | | | | | | | Available-for-Sale | | Held-to-Maturity | (dollars in thousands) | Amortized
Cost | | Estimated Fair Value | | Amortized
Cost | | Estimated Fair Value | | Due in one year or less | $ | 126,574 | | | $ | 126,947 | | | $ | — | | | $ | — | | | Due from one year to five years | 554,319 | | | 558,127 | | | — | | | — | | | Due from five to ten years | 114,120 | | | 113,899 | | | — | | | — | | | Due after ten years | 3,082 | | | 2,604 | | | 33,573 | | | 27,342 | | | Mortgage-backed securities | 1,079,292 | | | 1,069,721 | | | 142,914 | | | 131,802 | | | | $ | 1,877,387 | | | $ | 1,871,298 | | | $ | 176,487 | | | $ | 159,144 | |
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| Schedule of Available-for-Sale Securities with Unrealized Losses |
The following table shows the gross unrealized losses and estimated fair value of available-for-sale securities aggregated by category and length of time that securities have been in a continuous unrealized loss position at June 30, 2025 and December 31, 2024:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or More | | Total | (dollars in thousands) Securities available-for-sale | | Estimated
Fair
Value | | Unrealized
Losses | | Estimated
Fair
Value | | Unrealized
Losses | | Estimated
Fair
Value | | Unrealized
Losses | | June 30, 2025 | | | | | | | | | | | | | | U.S. Treasuries | | $ | 125,377 | | | $ | (86) | | | $ | 80,550 | | | $ | (966) | | | $ | 205,927 | | | $ | (1,052) | | | U.S. government-sponsored agencies | | — | | | — | | | 997 | | | (6) | | | 997 | | | (6) | | | State, county and municipal securities | | 513 | | | (3) | | | 14,355 | | | (762) | | | 14,868 | | | (765) | | | Corporate debt securities | | 394 | | | (2) | | | 8,488 | | | (496) | | | 8,882 | | | (498) | | | SBA pool securities | | 34 | | | — | | | 38,737 | | | (924) | | | 38,771 | | | (924) | | | Mortgage-backed securities | | 50,544 | | | (233) | | | 478,383 | | | (17,283) | | | 528,927 | | | (17,516) | | | Total debt securities available-for-sale | | $ | 176,862 | | | $ | (324) | | | $ | 621,510 | | | $ | (20,437) | | | $ | 798,372 | | | $ | (20,761) | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | | | | | | | | | U.S. Treasuries | | $ | 272,564 | | | $ | (1,376) | | | $ | 353,787 | | | $ | (3,689) | | | $ | 626,351 | | | $ | (5,065) | | | U.S. government sponsored agencies | | — | | | — | | | 994 | | | (16) | | | 994 | | | (16) | | | State, county and municipal securities | | 3,953 | | | (17) | | | 15,940 | | | (1,053) | | | 19,893 | | | (1,070) | | | Corporate debt securities | | 383 | | | (13) | | | 8,400 | | | (581) | | | 8,783 | | | (594) | | | SBA pool securities | | 52,850 | | | (322) | | | 17,491 | | | (1,232) | | | 70,341 | | | (1,554) | | | Mortgage-backed securities | | 177,438 | | | (1,968) | | | 481,617 | | | (28,771) | | | 659,055 | | | (30,739) | | | Total debt securities available-for-sale | | $ | 507,188 | | | $ | (3,696) | | | $ | 878,229 | | | $ | (35,342) | | | $ | 1,385,417 | | | $ | (39,038) | |
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| Schedule of Held-to-Maturity Securities with Unrealized Losses |
The following table shows the gross unrealized losses and estimated fair value of held-to-maturity securities aggregated by category and length of time that securities have been in a continuous unrealized loss position at June 30, 2025 and December 31, 2024:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or More | | Total | (dollars in thousands) Securities held-to-maturity | | Estimated
Fair
Value | | Unrealized
Losses | | Estimated
Fair
Value | | Unrealized
Losses | | Estimated
Fair
Value | | Unrealized
Losses | | June 30, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | State, county and municipal securities | | $ | — | | | $ | — | | | $ | 27,342 | | | $ | (6,231) | | | $ | 27,342 | | | $ | (6,231) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | 29,797 | | | (386) | | | 80,731 | | | (11,023) | | | 110,528 | | | (11,409) | | | Total debt securities held-to-maturity | | $ | 29,797 | | | $ | (386) | | | $ | 108,073 | | | $ | (17,254) | | | $ | 137,870 | | | $ | (17,640) | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | | State, county and municipal securities | | $ | 1,702 | | | $ | (49) | | | $ | 25,707 | | | $ | (6,165) | | | $ | 27,409 | | | $ | (6,214) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | 22,710 | | | (848) | | | 79,366 | | | (13,667) | | | 102,076 | | | (14,515) | | | Total debt securities held-to-maturity | | $ | 24,412 | | | $ | (897) | | | $ | 105,073 | | | $ | (19,832) | | | $ | 129,485 | | | $ | (20,729) | |
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| Schedule of Investments Available-for-sale, Allowance for Credit Loss |
The remaining $20.8 million in unrealized loss was determined to be from factors other than credit. | | | | | | | | | | | | | | | | | | | | | | | | | (dollars in thousands) | Three Months Ended June 30, | | Six Months Ended June 30, | Allowance for credit losses | 2025 | | 2024 | | 2025 | | 2024 | | Beginning balance | $ | 69 | | | $ | 73 | | | $ | 69 | | | $ | 69 | | | Provision for other credit losses | (3) | | | (5) | | | (3) | | | (1) | | | Ending balance | $ | 66 | | | $ | 68 | | | $ | 66 | | | $ | 68 | |
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| Schedule of Gain (Loss) on Investments |
Total net gain on securities reported on the consolidated statements of income and comprehensive income is comprised of the following for the three and six months ended June 30, 2025 and 2024:
| | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | (dollars in thousands) | 2025 | | 2024 | | 2025 | | 2024 | | | | | | | | | | Unrealized holding gains on equity securities | $ | — | | | $ | 3,957 | | | $ | 40 | | | $ | 3,950 | | | Net realized gains on sales of other investments | — | | | 8,378 | | | — | | | 8,378 | | | Net gain on securities | $ | — | | | $ | 12,335 | | | $ | 40 | | | $ | 12,328 | |
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