v3.26.1
Derivatives and Hedging Activities - Schedule of Customer Related Derivative Positions (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
derivative
Dec. 31, 2025
USD ($)
derivative
Receive fixed, pay variable    
Derivatives and Hedging Activities    
Total $ 3,590,798 $ 3,505,840
Pay fixed, receive variable    
Derivatives and Hedging Activities    
Total 3,594,646 3,505,840
Risk participation-out agreements    
Derivatives and Hedging Activities    
Total 727,509 670,834
Risk participation-in agreements    
Derivatives and Hedging Activities    
Total 145,982 153,185
Foreign exchange contracts | Buys foreign currency, sells U.S. currency    
Derivatives and Hedging Activities    
Total 3,583 2,785
Foreign exchange contracts | Sells foreign currency, buys U.S. currency    
Derivatives and Hedging Activities    
Total $ 3,601 $ 2,800
Derivatives not designed as hedging instruments | Receive fixed, pay variable    
Derivatives and Hedging Activities    
Number of Positions | derivative 297 308
Notional Amount Maturing, Less than 1 year $ 390,990 $ 280,333
Notional Amount Maturing, Less than 2 years 291,471 427,625
Notional Amount Maturing, Less than 3 years 773,947 368,548
Notional Amount Maturing, Less than 4 years 485,175 699,796
Notional Amount Maturing, Thereafter 1,649,215 1,729,538
Total 3,590,798 3,505,840
Fair Value $ 91,065 $ 58,840
Derivatives not designed as hedging instruments | Pay fixed, receive variable    
Derivatives and Hedging Activities    
Number of Positions | derivative 298 308
Notional Amount Maturing, Less than 1 year $ 390,990 $ 280,333
Notional Amount Maturing, Less than 2 years 291,471 427,625
Notional Amount Maturing, Less than 3 years 773,947 368,548
Notional Amount Maturing, Less than 4 years 489,023 699,796
Notional Amount Maturing, Thereafter 1,649,215 1,729,538
Total 3,594,646 3,505,840
Fair Value $ 91,022 $ 58,853
Derivatives not designed as hedging instruments | Risk participation-out agreements    
Derivatives and Hedging Activities    
Number of Positions | derivative 87 87
Notional Amount Maturing, Less than 1 year $ 72,094 $ 41,361
Notional Amount Maturing, Less than 2 years 36,568 65,257
Notional Amount Maturing, Less than 3 years 154,372 37,270
Notional Amount Maturing, Less than 4 years 95,403 155,480
Notional Amount Maturing, Thereafter 369,072 371,466
Total 727,509 670,834
Fair Value $ 492 $ 532
Derivatives not designed as hedging instruments | Risk participation-in agreements    
Derivatives and Hedging Activities    
Number of Positions | derivative 22 23
Notional Amount Maturing, Less than 1 year $ 27,816 $ 29,862
Notional Amount Maturing, Less than 2 years 21,559 10,321
Notional Amount Maturing, Less than 3 years 18,746 26,468
Notional Amount Maturing, Less than 4 years 23,207 18,473
Notional Amount Maturing, Thereafter 54,654 68,061
Total 145,982 153,185
Fair Value $ 108 $ 139
Derivatives not designed as hedging instruments | Foreign exchange contracts | Buys foreign currency, sells U.S. currency    
Derivatives and Hedging Activities    
Number of Positions | derivative 9 9
Notional Amount Maturing, Less than 1 year $ 3,583 $ 2,785
Notional Amount Maturing, Less than 2 years 0 0
Notional Amount Maturing, Less than 3 years 0 0
Notional Amount Maturing, Less than 4 years 0 0
Notional Amount Maturing, Thereafter 0 0
Total 3,583 2,785
Fair Value $ 100 $ 274
Derivatives not designed as hedging instruments | Foreign exchange contracts | Sells foreign currency, buys U.S. currency    
Derivatives and Hedging Activities    
Number of Positions | derivative 9 9
Notional Amount Maturing, Less than 1 year $ 3,601 $ 2,800
Notional Amount Maturing, Less than 2 years 0 0
Notional Amount Maturing, Less than 3 years 0 0
Notional Amount Maturing, Less than 4 years 0 0
Notional Amount Maturing, Thereafter 0 0
Total 3,601 2,800
Fair Value $ 278 $ 258