v3.26.1
Investments In Securities and Fair Value (Schedule Of Unrealized Losses On Investments) (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
segment
Dec. 31, 2025
USD ($)
segment
Debt Securities, Available-for-sale [Line Items]    
Debt securities, available-for-sale, unrealized loss position, number of positions | segment 57 32
Government obligations    
Debt Securities, Available-for-sale [Line Items]    
Total temporarily impaired securities, less than 12 months, fair value $ 1,074  
Total temporarily impaired securities, less than 12 Months, unrealized losses (8)  
Total temporarily impaired securities, 12 months or longer, fair value 0  
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss 0  
Debt securities, available-for-sale, unrealized loss position, total 1,074  
Debt securities, available-for-sale, unrealized loss position, accumulated loss (8)  
General obligations of U.S. states, territories and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Total temporarily impaired securities, less than 12 months, fair value 5,922 $ 5,924
Total temporarily impaired securities, less than 12 Months, unrealized losses (100) (31)
Total temporarily impaired securities, 12 months or longer, fair value 0 0
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss 0 0
Debt securities, available-for-sale, unrealized loss position, total 5,922 5,924
Debt securities, available-for-sale, unrealized loss position, accumulated loss (100) (31)
Special revenue issuer obligations of U.S. states, territories and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Total temporarily impaired securities, less than 12 months, fair value 4,269 1,192
Total temporarily impaired securities, less than 12 Months, unrealized losses (28) (3)
Total temporarily impaired securities, 12 months or longer, fair value 300 1,260
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss (5) (7)
Debt securities, available-for-sale, unrealized loss position, total 4,569 2,452
Debt securities, available-for-sale, unrealized loss position, accumulated loss (33) (10)
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Total temporarily impaired securities, less than 12 months, fair value 26,283 13,659
Total temporarily impaired securities, less than 12 Months, unrealized losses (300) (52)
Total temporarily impaired securities, 12 months or longer, fair value 0 0
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss 0 0
Debt securities, available-for-sale, unrealized loss position, total 26,283 13,659
Debt securities, available-for-sale, unrealized loss position, accumulated loss (300) (52)
Total temporarily impaired securities    
Debt Securities, Available-for-sale [Line Items]    
Total temporarily impaired securities, less than 12 months, fair value 37,548 20,775
Total temporarily impaired securities, less than 12 Months, unrealized losses (436) (86)
Total temporarily impaired securities, 12 months or longer, fair value 300 1,260
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss (5) (7)
Debt securities, available-for-sale, unrealized loss position, total 37,848 22,035
Debt securities, available-for-sale, unrealized loss position, accumulated loss $ (441) $ (93)