Derivative Financial Instruments - Schedule of Customer-related derivative positions (Details) $ in Thousands	Jun. 30, 2025 USD ($) position	Dec. 31, 2024 USD ($) position
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Total Notional	$ 2,400,000	$ 2,400,000
Interest rate swaps | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	502	494
Total Notional	$ 3,323,279	$ 3,308,037
Risk participation agreements | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	119	125
Total Notional	$ 441,304	$ 503,803
Matched commercial customer book | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	276	226
Total Notional	$ 72,333	$ 98,429
Foreign currency loan | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	7	8
Total Notional	$ 5,763	$ 5,835