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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
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)