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Investment Securities (Available-for-sale And Held-to-maturity Securities, Continuous Unrealized Loss Position) (Details) $ in Thousands | Dec. 31, 2025 USD ($) security | Dec. 31, 2024 USD ($) security
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Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 291,352 | $ 580,984
12 months or longer, Fair Value | 188,251 | 305,522
Total, Fair Value | 479,603 | 886,506
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (1,177) | (5,927)
12 months or longer, Unrealized losses | (12,163) | (20,591)
Total, Unrealized losses | $ (13,340) | $ (26,518)
Number of securities | security | 188 | 267
U.S. Government Agency Securities [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 2,521 | $ 15,384
12 months or longer, Fair Value | 11,660 | 14,578
Total, Fair Value | 14,181 | 29,962
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (1) | (307)
12 months or longer, Unrealized losses | (456) | (964)
Total, Unrealized losses | (457) | (1,271)
Asset-backed Securities [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | 59,024 | 35,108
12 months or longer, Fair Value |  | 33,854
Total, Fair Value | 59,024 | 68,962
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (133) | (8)
12 months or longer, Unrealized losses |  | (16)
Total, Unrealized losses | (133) | (24)
Tax-exempt Obligations Of States And Political Subdivisions [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | 3,456 | 5,664
12 months or longer, Fair Value | 1,153 | 1,123
Total, Fair Value | 4,609 | 6,787
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (33) | (36)
12 months or longer, Unrealized losses | (7) | (37)
Total, Unrealized losses | (40) | (73)
Taxable Obligations Of States And Political Subdivisions [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value |  | 1,157
12 months or longer, Fair Value | 14,053 | 25,734
Total, Fair Value | 14,053 | 26,891
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses |  | (18)
12 months or longer, Unrealized losses | (59) | (423)
Total, Unrealized losses | (59) | (441)
Residential Mortgage-backed Securities [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | 18,630 | 172,076
12 months or longer, Fair Value | 28,886 | 37,527
Total, Fair Value | 47,516 | 209,603
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (62) | (1,156)
12 months or longer, Unrealized losses | (3,491) | (5,124)
Total, Unrealized losses | (3,553) | (6,280)
Collateralized Mortgage Obligation Securities [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | 34,149 |
12 months or longer, Fair Value | 12,721 | 26,152
Total, Fair Value | 46,870 | 26,152
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (75) |
12 months or longer, Unrealized losses | (518) | (1,127)
Total, Unrealized losses | (593) | (1,127)
Commercial Mortgage-backed Securities [Member] |  |
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | 173,572 | 351,595
12 months or longer, Fair Value | 119,778 | 166,554
Total, Fair Value | 293,350 | 518,149
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (873) | (4,402)
12 months or longer, Unrealized losses | (7,632) | (12,900)
Total, Unrealized losses | $ (8,505) | $ (17,302)

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