v3.26.1
Derivatives and Hedging Activities - Schedule of Customer Related Derivative Positions (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
derivative
Dec. 31, 2025
USD ($)
derivative
Receive fixed, pay variable    
Derivatives and Hedging Activities    
Total $ 3,500,284 $ 3,505,840
Pay fixed, receive variable    
Derivatives and Hedging Activities    
Total 3,504,381 3,505,840
Risk participation-out agreements    
Derivatives and Hedging Activities    
Total 681,207 670,834
Risk participation-in agreements    
Derivatives and Hedging Activities    
Total 147,069 153,185
Foreign exchange contracts | Buys foreign currency, sells U.S. currency    
Derivatives and Hedging Activities    
Total 2,965 2,785
Foreign exchange contracts | Sells foreign currency, buys U.S. currency    
Derivatives and Hedging Activities    
Total $ 2,978 $ 2,800
Derivatives not designed as hedging instruments | Receive fixed, pay variable    
Derivatives and Hedging Activities    
Number of Positions | derivative 304 308
Notional Amount Maturing, Less than 1 year $ 348,919 $ 280,333
Notional Amount Maturing, Less than 2 years 332,118 427,625
Notional Amount Maturing, Less than 3 years 616,891 368,548
Notional Amount Maturing, Less than 4 years 460,263 699,796
Notional Amount Maturing, Thereafter 1,742,093 1,729,538
Total 3,500,284 3,505,840
Fair Value $ 70,480 $ 58,840
Derivatives not designed as hedging instruments | Pay fixed, receive variable    
Derivatives and Hedging Activities    
Number of Positions | derivative 305 308
Notional Amount Maturing, Less than 1 year $ 348,919 $ 280,333
Notional Amount Maturing, Less than 2 years 332,118 427,625
Notional Amount Maturing, Less than 3 years 616,891 368,548
Notional Amount Maturing, Less than 4 years 464,360 699,796
Notional Amount Maturing, Thereafter 1,742,093 1,729,538
Total 3,504,381 3,505,840
Fair Value $ 70,394 $ 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 $ 67,441 $ 41,361
Notional Amount Maturing, Less than 2 years 44,412 65,257
Notional Amount Maturing, Less than 3 years 145,481 37,270
Notional Amount Maturing, Less than 4 years 52,348 155,480
Notional Amount Maturing, Thereafter 371,525 371,466
Total 681,207 670,834
Fair Value $ 575 $ 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 $ 28,039 $ 29,862
Notional Amount Maturing, Less than 2 years 6,855 10,321
Notional Amount Maturing, Less than 3 years 26,083 26,468
Notional Amount Maturing, Less than 4 years 18,313 18,473
Notional Amount Maturing, Thereafter 67,779 68,061
Total 147,069 153,185
Fair Value $ 141 $ 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 11 9
Notional Amount Maturing, Less than 1 year $ 2,965 $ 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 2,965 2,785
Fair Value $ 125 $ 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 11 9
Notional Amount Maturing, Less than 1 year $ 2,978 $ 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 2,978 2,800
Fair Value $ 235 $ 258