Derivative Financial Instruments - Schedule of Derivatives Not Designated as Hedging Instruments (Details) $ in Thousands	Mar. 31, 2024 USD ($) position	Dec. 31, 2023 USD ($) 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	348	356
Total Notional	$ 2,467,266	$ 2,405,835
Risk participation agreements | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	79	78
Total Notional	$ 332,188	$ 323,957
Matched commercial customer book | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	286	98
Total Notional	$ 162,799	$ 87,601
Foreign currency loan | Not Designated as Hedging Instrument
Disclosure Of Customer Related Derivatives Not Designated As Hedging [Line Items]
Number of Positions | position	16	10
Total Notional	$ 10,818	$ 10,242