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Investment Securities (Available-for-sale And Held-to-maturity Securities, Continuous Unrealized Loss Position) (Details) $ in Thousands | Dec. 31, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
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Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 267 | 288
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 580,984 | $ 36,826
12 months or longer, Fair Value | 305,522 | 680,853
Total, Fair Value | 886,506 | 717,679
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (5,927) | (796)
12 months or longer, Unrealized losses | (20,591) | (25,751)
Total, Unrealized losses | $ (26,518) | $ (26,547)
U.S. Government Agency Securities [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 18 | 15
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 15,384 | $ 14,945
12 months or longer, Fair Value | 14,578 | 17,697
Total, Fair Value | 29,962 | 32,642
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (307) | (302)
12 months or longer, Unrealized losses | (964) | (1,164)
Total, Unrealized losses | $ (1,271) | $ (1,466)
Asset-backed Securities [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 14 | 53
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 35,108 |
12 months or longer, Fair Value | 33,854 | $ 314,749
Total, Fair Value | 68,962 | 314,749
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (8) |
12 months or longer, Unrealized losses | (16) | (1,815)
Total, Unrealized losses | $ (24) | $ (1,815)
Tax-exempt Obligations Of States And Political Subdivisions [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 6 | 3
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 5,664 | $ 997
12 months or longer, Fair Value | 1,123 | 1,850
Total, Fair Value | 6,787 | 2,847
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (36) | (3)
12 months or longer, Unrealized losses | (37) | (45)
Total, Unrealized losses | $ (73) | $ (48)
Taxable Obligations Of States And Political Subdivisions [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 18 | 25
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 1,157 |
12 months or longer, Fair Value | 25,734 | $ 39,621
Total, Fair Value | 26,891 | 39,621
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (18) |
12 months or longer, Unrealized losses | (423) | (952)
Total, Unrealized losses | $ (441) | $ (952)
Residential Mortgage-backed Securities [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 155 | 132
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 172,076 | $ 20,884
12 months or longer, Fair Value | 37,527 | 126,645
Total, Fair Value | 209,603 | 147,529
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (1,156) | (491)
12 months or longer, Unrealized losses | (5,124) | (8,732)
Total, Unrealized losses | $ (6,280) | $ (9,223)
Collateralized Mortgage Obligation Securities [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 19 | 20
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
12 months or longer, Fair Value | $ 26,152 | $ 34,038
Total, Fair Value | 26,152 | 34,038
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
12 months or longer, Unrealized losses | (1,127) | (1,537)
Total, Unrealized losses | $ (1,127) | $ (1,537)
Commercial Mortgage-backed Securities [Member] |  |
Available-for-sale, continuous unrealized loss position [Abstract] |  |
Number of securities | security | 37 | 40
Available-for-sale, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months, Fair Value | $ 351,595 |
12 months or longer, Fair Value | 166,554 | $ 146,253
Total, Fair Value | 518,149 | 146,253
Available-for-sale, continuous unrealized loss position, Unrealized losses [Abstract] |  |
Less than 12 months, Unrealized losses | (4,402) |
12 months or longer, Unrealized losses | (12,900) | (11,506)
Total, Unrealized losses | $ (17,302) | $ (11,506)

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