XML 104 R75.htm IDEA: XBRL DOCUMENT v3.25.0.1
Investment Securities (Schedule Of Fair Value And Unrealized Losses Of Securities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 4,123,091 $ 1,292,794
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (89,623) (12,009)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 2,850,214 2,809,244
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (501,899) (476,099)
Debt Securities, Available-for-sale, Unrealized Loss Position 6,973,305 4,102,038
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (591,522) (488,108)
U.S. Treasury and agencies    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 185,042 99,898
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (2,770) (1,074)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 794,521 822,245
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (71,077) (77,800)
Debt Securities, Available-for-sale, Unrealized Loss Position 979,563 922,143
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (73,847) (78,874)
Obligations of states and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 539,440 103,256
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (8,036) (580)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 224,973 169,231
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (24,225) (21,030)
Debt Securities, Available-for-sale, Unrealized Loss Position 764,413 272,487
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (32,261) (21,610)
Mortgage-backed securities and collateralized mortgage obligations    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 3,398,609 1,089,640
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (78,817) (10,355)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,830,720 1,817,768
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (406,597) (377,269)
Debt Securities, Available-for-sale, Unrealized Loss Position 5,229,329 2,907,408
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (485,414) $ (387,624)