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Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2025
Investment Securities [Abstract] |
Schedule Of Investment Securities Classified As Available-for-sale And Held-to-maturity |
|  | December 31, 2025
|  |  |  | Gross |  | Gross |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
|  | cost |  | gains |  | losses |  | value
U.S. Government agency securities |  | $ | 25,503 |  | $ | 63 |  | $ | (457) |  | $ | 25,109
Asset-backed securities |  |  | 234,029 |  |  | 205 |  |  | (133) |  |  | 234,101
Tax-exempt obligations of states and political subdivisions |  |  | 9,614 |  |  | 62 |  |  | (40) |  |  | 9,636
Taxable obligations of states and political subdivisions |  |  | 18,941 |  |  | 45 |  |  | (59) |  |  | 18,927
Residential mortgage-backed securities |  |  | 454,837 |  |  | 13,039 |  |  | (3,553) |  |  | 464,323
Collateralized mortgage obligation securities |  |  | 58,129 |  |  | 44 |  |  | (593) |  |  | 57,580
Commercial mortgage-backed securities |  |  | 856,273 |  |  | 14,306 |  |  | (8,505) |  |  | 862,074
|  | $ | 1,657,326 |  | $ | 27,764 |  | $ | (13,340) |  | $ | 1,671,750
|  | December 31, 2024
|  |  |  | Gross |  | Gross |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
|  | cost |  | gains |  | losses |  | value
U.S. Government agency securities |  | $ | 31,233 |  | $ | — |  | $ | (1,271) |  | $ | 29,962
Asset-backed securities |  |  | 214,346 |  |  | 177 |  |  | (24) |  |  | 214,499
Tax-exempt obligations of states and political subdivisions |  |  | 6,860 |  |  | — |  |  | (73) |  |  | 6,787
Taxable obligations of states and political subdivisions |  |  | 29,267 |  |  | 7 |  |  | (441) |  |  | 28,833
Residential mortgage-backed securities |  |  | 438,562 |  |  | 1,137 |  |  | (6,280) |  |  | 433,419
Collateralized mortgage obligation securities |  |  | 27,279 |  |  | — |  |  | (1,127) |  |  | 26,152
Commercial mortgage-backed securities |  |  | 778,857 |  |  | 1,653 |  |  | (17,302) |  |  | 763,208
|  | $ | 1,526,404 |  | $ | 2,974 |  | $ | (26,518) |  | $ | 1,502,860
Amortized Cost And Fair Value Of Investment Securities By Contractual Maturity |
|  | Available-for-sale
|  | Amortized |  | Fair
|  | cost |  | value
Due before one year |  | $ | 19,987 |  | $ | 19,872
Due after one year through five years |  |  | 221,361 |  |  | 222,617
Due after five years through ten years |  |  | 565,703 |  |  | 574,098
Due after ten years |  |  | 850,275 |  |  | 855,163
|  | $ | 1,657,326 |  | $ | 1,671,750
Schedule of Unrealized Loss on Investments | The table below indicates the length of time individual securities had been in continuous unrealized loss positions (dollars in thousands):
|  | December 31, 2025
|  | Less than 12 months |  | 12 months or longer |  | Total
|  | Fair Value |  | Unrealized losses |  |  | Fair Value |  | Unrealized losses |  | Fair Value |  | Unrealized losses
Description of Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency securities |  | $ | 2,521 |  | $ | (1) |  | $ | 11,660 |  | $ | (456) |  | $ | 14,181 |  | $ | (457)
Asset-backed securities |  |  | 59,024 |  |  | (133) |  |  | — |  |  | — |  |  | 59,024 |  |  | (133)
Tax-exempt obligations of states and political subdivisions |  |  | 3,456 |  |  | (33) |  |  | 1,153 |  |  | (7) |  |  | 4,609 |  |  | (40)
Taxable obligations of states and political subdivisions |  |  | — |  |  | — |  |  | 14,053 |  |  | (59) |  |  | 14,053 |  |  | (59)
Residential mortgage-backed securities |  |  | 18,630 |  |  | (62) |  |  | 28,886 |  |  | (3,491) |  |  | 47,516 |  |  | (3,553)
Collateralized mortgage obligation securities |  |  | 34,149 |  |  | (75) |  |  | 12,721 |  |  | (518) |  |  | 46,870 |  |  | (593)
Commercial mortgage-backed securities |  |  | 173,572 |  |  | (873) |  |  | 119,778 |  |  | (7,632) |  |  | 293,350 |  |  | (8,505)
Total unrealized loss position |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
investment securities |  | $ | 291,352 |  | $ | (1,177) |  | $ | 188,251 |  | $ | (12,163) |  | $ | 479,603 |  | $ | (13,340)
|  | December 31, 2024
|  | Less than 12 months |  | 12 months or longer |  | Total
|  | Fair Value |  | Unrealized losses |  | Fair Value |  | Unrealized losses |  | Fair Value |  | Unrealized losses
Description of Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency securities |  | $ | 15,384 |  | $ | (307) |  | $ | 14,578 |  | $ | (964) |  | $ | 29,962 |  | $ | (1,271)
Asset-backed securities |  |  | 35,108 |  |  | (8) |  |  | 33,854 |  |  | (16) |  |  | 68,962 |  |  | (24)
Tax-exempt obligations of states and political subdivisions |  |  | 5,664 |  |  | (36) |  |  | 1,123 |  |  | (37) |  |  | 6,787 |  |  | (73)
Taxable obligations of states and political subdivisions |  |  | 1,157 |  |  | (18) |  |  | 25,734 |  |  | (423) |  |  | 26,891 |  |  | (441)
Residential mortgage-backed securities |  |  | 172,076 |  |  | (1,156) |  |  | 37,527 |  |  | (5,124) |  |  | 209,603 |  |  | (6,280)
Collateralized mortgage obligation securities |  |  | — |  |  | — |  |  | 26,152 |  |  | (1,127) |  |  | 26,152 |  |  | (1,127)
Commercial mortgage-backed securities |  |  | 351,595 |  |  | (4,402) |  |  | 166,554 |  |  | (12,900) |  |  | 518,149 |  |  | (17,302)
Total unrealized loss position |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
investment securities |  | $ | 580,984 |  | $ | (5,927) |  | $ | 305,522 |  | $ | (20,591) |  | $ | 886,506 |  | $ | (26,518)

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- Definition Tabular disclosure of available-for-sale securities and held-to-maturity securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security and amortized cost basis, or other disclosures related to available for sale and held to maturity securities. + References No definition available. + Details
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