Securities (Tables)
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9 Months Ended |
Sep. 30, 2026 |
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| Securities |
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| Schedule of amortized cost and fair value of investments classified as available-for-sale |
| | | | | | | | | | | | | | | September 30, 2026 | | | Amortized | | Unrealized | | Unrealized | | | | (Dollar amounts in thousands) | | Cost | | Gains | | Losses | | Fair Value | U.S. Government agencies | | $ | 100,256 | | $ | 2 | | $ | (10,811) | | $ | 89,447 | Mortgage Backed Securities - residential | | | 559,954 | | | 2 | | | (75,235) | | | 484,721 | Mortgage Backed Securities - commercial | | | 12,360 | | | — | | | (857) | | | 11,503 | Collateralized mortgage obligations | | | 170,668 | | | 7 | | | (27,470) | | | 143,205 | State and municipal obligations | | | 402,083 | | | 12 | | | (46,797) | | | 355,298 | Municipal taxable | | | 20,075 | | | 7 | | | (2,524) | | | 17,558 | Collateralized debt obligations | | | 248 | | | 2,661 | | | (13) | | | 2,896 | TOTAL | | $ | 1,265,644 | | $ | 2,691 | | $ | (163,707) | | $ | 1,104,628 |
| | | | | | | | | | | | | | | December 31, 2025 | | | Amortized | | Unrealized | | Unrealized | | | | (Dollar amounts in thousands) | | Cost | | Gains | | Losses | | Fair Value | U.S. Government agencies | | $ | 91,945 | | $ | 114 | | $ | (7,749) | | $ | 84,310 | Mortgage Backed Securities-residential | | | 573,002 | | | 873 | | | (58,456) | | | 515,419 | Mortgage Backed Securities-commercial | | | 12,712 | | | 2 | | | (328) | | | 12,386 | Collateralized mortgage obligations | | | 179,638 | | | 82 | | | (21,622) | | | 158,098 | State and municipal obligations | | | 379,894 | | | 1,280 | | | (23,456) | | | 357,718 | Municipal taxable | | | 20,554 | | | 84 | | | (1,893) | | | 18,745 | Collateralized debt obligations | | | — | | | 2,850 | | | — | | | 2,850 | TOTAL | | $ | 1,257,745 | | $ | 5,285 | | $ | (113,504) | | $ | 1,149,526 |
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| Schedule of contractual maturities of debt securities |
| | | | | | | | | Available-for-Sale | | | Amortized | | Fair | (Dollar amounts in thousands) | | Cost | | Value | Due in one year or less | | $ | 5,346 | | $ | 5,327 | Due after one but within five years | | | 36,513 | | | 35,235 | Due after five but within ten years | | | 124,287 | | | 116,026 | Due after ten years | | | 356,516 | | | 308,611 | | | | 522,662 | | | 465,199 | Mortgage-backed securities and collateralized mortgage obligations | | | 742,982 | | | 639,429 | TOTAL | | $ | 1,265,644 | | $ | 1,104,628 |
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| Schedule of gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in continuous unrealized loss position |
| | | | | | | | | | | | | | | | | | | | | September 30, 2026 | | | Less Than 12 Months | | More Than 12 Months | | Total | | | | | | Unrealized | | | | | Unrealized | | | | | Unrealized | (Dollar amounts in thousands) | | Fair Value | | Losses | | Fair Value | | Losses | | Fair Value | | Losses | U.S. Government agencies | | $ | 38,204 | | $ | (1,930) | | $ | 50,935 | | $ | (8,881) | | $ | 89,139 | | $ | (10,811) | Mortgage Backed Securities - Residential | | | 107,719 | | | (5,050) | | | 376,406 | | | (70,185) | | | 484,125 | | | (75,235) | Mortgage Backed Securities - Commercial | | | 1,042 | | | — | | | 10,255 | | | (857) | | | 11,297 | | | (857) | Collateralized mortgage obligations | | | 29,602 | | | (1,418) | | | 112,724 | | | (26,052) | | | 142,326 | | | (27,470) | State and municipal obligations | | | 198,937 | | | (9,569) | | | 143,300 | | | (37,228) | | | 342,237 | | | (46,797) | Municipal taxable | | | 2,940 | | | (76) | | | 13,314 | | | (2,448) | | | 16,254 | | | (2,524) | Collateralized debt obligations | | | 235 | | | (13) | | | — | | | — | | | 235 | | | (13) | Total temporarily impaired securities | | $ | 378,679 | | $ | (18,056) | | $ | 706,934 | | $ | (145,651) | | $ | 1,085,613 | | $ | (163,707) |
| | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | Less Than 12 Months | | More Than 12 Months | | Total | | | | | | Unrealized | | | | | Unrealized | | | | | Unrealized | (Dollar amounts in thousands) | | Fair Value | | Losses | | Fair Value | | Losses | | Fair Value | | Losses | U.S. Government agencies | | $ | 7,137 | | $ | (31) | | $ | 59,562 | | $ | (7,718) | | $ | 66,699 | | $ | (7,749) | Mortgage Backed Securities - Residential | | | 11,961 | | | (29) | | | 427,877 | | | (58,427) | | | 439,838 | | | (58,456) | Mortgage Backed Securities - Commercial | | | — | | | — | | | 11,114 | | | (328) | | | 11,114 | | | (328) | Collateralized mortgage obligations | | | 4,381 | | | (43) | | | 135,393 | | | (21,579) | | | 139,774 | | | (21,622) | State and municipal obligations | | | 23,889 | | | (86) | | | 204,976 | | | (23,370) | | | 228,865 | | | (23,456) | Municipal taxable | | | — | | | — | | | 13,876 | | | (1,893) | | | 13,876 | | | (1,893) | Total temporarily impaired securities | | $ | 47,368 | | $ | (189) | | $ | 852,798 | | $ | (113,315) | | $ | 900,166 | | $ | (113,504) |
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| Schedule of credit losses recognized in earnings |
| | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | (Dollar amounts in thousands) | | 2026 | | 2025 | | 2026 | | 2025 | | Beginning balance | | $ | 2,675 | | $ | 2,974 | | $ | 2,974 | | $ | 2,974 | | Recoveries of amounts previously written off | | | — | | | — | | | (299) | | | — | | Ending balance | | $ | 2,675 | | $ | 2,974 | | $ | 2,675 | | $ | 2,974 | |
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