v3.25.2
Fair Value Measurements (Summary Of Gains And Losses On Level 3 Assets And Liabilities) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Gains and Losses included in earnings for Level 3 assets & liabilities [Line Items]        
Change in unrealized gains or losses relating to assets still held at period end $ 4,414 $ 5,677 $ (3,312) $ 11,002
Investment Securities Gains (Losses), Net        
Gains and Losses included in earnings for Level 3 assets & liabilities [Line Items]        
Total gains or losses included in earnings 4,414 5,677 (4,111) 12,777
Change in unrealized gains or losses relating to assets still held at period end $ 4,414 $ 5,677 $ (3,312) $ 11,002