v3.26.1
Accumulated Other Comprehensive Income (Schedule Of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     $ (507,690) $ (758,911)
Other comprehensive income (loss) before reclassifications to current earnings     (86,501) 237,383
Amounts reclassified to current earnings from accumulated other comprehensive income     98,446 (233)
Current period other comprehensive income (loss), before tax     11,945 237,150
Income tax (expense) benefit     (2,986) (59,288)
Current period other comprehensive income (loss), net of tax $ 40,861 $ 53,527 8,959 177,862
Ending balance (498,731) (581,049) (498,731) (581,049)
Unrealized Gains (Losses) on Securities (1)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance [1]     (485,071) (742,926)
Other comprehensive income (loss) before reclassifications to current earnings [1]     (69,519) 222,002
Amounts reclassified to current earnings from accumulated other comprehensive income [1]     97,686 4,214
Current period other comprehensive income (loss), before tax [1]     28,167 226,216
Income tax (expense) benefit [1]     (7,042) (56,554)
Current period other comprehensive income (loss), net of tax [1]     21,125 169,662
Ending balance [1] (463,946) (573,264) (463,946) (573,264)
Pension Loss        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (9,623) (12,059)
Other comprehensive income (loss) before reclassifications to current earnings     0 0
Amounts reclassified to current earnings from accumulated other comprehensive income     277 458
Current period other comprehensive income (loss), before tax     277 458
Income tax (expense) benefit     (69) (115)
Current period other comprehensive income (loss), net of tax     208 343
Ending balance (9,415) (11,716) (9,415) (11,716)
Unrealized Gains (Losses) on Cash Flow Hedge Derivatives (2)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance [2]     (12,996) (3,926)
Other comprehensive income (loss) before reclassifications to current earnings [2]     (16,982) 15,381
Amounts reclassified to current earnings from accumulated other comprehensive income [2]     483 (4,905)
Current period other comprehensive income (loss), before tax [2]     (16,499) 10,476
Income tax (expense) benefit [2]     4,125 (2,619)
Current period other comprehensive income (loss), net of tax [2]     (12,374) 7,857
Ending balance [2] $ (25,370) $ 3,931 $ (25,370) $ 3,931
[1] The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "investment securities gains (losses), net" in the consolidated statements of income.
[2] The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "interest and fees on loans" in the consolidated statements of income.