Derivative Financial Instruments - Summary of Fair Value of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Designated as Hedging Instrument
Derivative [Line Items]
Net amount presented in the Consolidated Balance Sheet	$ 10,472	$ 11,764
Net amount presented in the Consolidated Balance Sheet	6,014	47,859
Designated as Hedging Instrument | Cash flow hedges | Interest rate collars and floors on loan pools
Derivative [Line Items]
Notional	1,600,000	1,900,000
Net amount presented in the Consolidated Balance Sheet	10,472	11,764
Net amount presented in the Consolidated Balance Sheet	6,014	47,859
Designated as Hedging Instrument | Cash flow hedges | Interest rate swaps on borrowings
Derivative [Line Items]
Notional	150,000	150,000
Net amount presented in the Consolidated Balance Sheet	0	0
Net amount presented in the Consolidated Balance Sheet	0	0
Designated as Hedging Instrument | Fair value hedges | Interest rate swaps on borrowings
Derivative [Line Items]
Notional	900,000	300,000
Net amount presented in the Consolidated Balance Sheet	0	0
Net amount presented in the Consolidated Balance Sheet	0	0
Designated as Hedging Instrument | Fair value hedges | Interest rate swaps on investment securities
Derivative [Line Items]
Notional	998,107	909,957
Net amount presented in the Consolidated Balance Sheet	0	0
Net amount presented in the Consolidated Balance Sheet	0	0
Derivatives Not Designated as Hedging Instruments
Derivative [Line Items]
Net amount presented in the Consolidated Balance Sheet	155,830	157,237
Net amount presented in the Consolidated Balance Sheet	262,902	332,845
Derivatives Not Designated as Hedging Instruments | Interest rate lock commitments
Derivative [Line Items]
Notional	25,151	21,401
Net amount presented in the Consolidated Balance Sheet	291	93
Net amount presented in the Consolidated Balance Sheet	0	0
Derivatives Not Designated as Hedging Instruments | Forward mortgage loan contracts
Derivative [Line Items]
Notional	39,529	30,330
Net amount presented in the Consolidated Balance Sheet	0	32
Net amount presented in the Consolidated Balance Sheet	566	0
Derivatives Not Designated as Hedging Instruments | Customer interest rate swaps
Derivative [Line Items]
Notional	5,954,216	5,220,363
Net amount presented in the Consolidated Balance Sheet	33,182	5,676
Net amount presented in the Consolidated Balance Sheet	228,750	326,924
Derivatives Not Designated as Hedging Instruments | Counterparty interest rate swaps
Derivative [Line Items]
Notional	5,954,216	5,220,363
Net amount presented in the Consolidated Balance Sheet	121,969	151,111
Net amount presented in the Consolidated Balance Sheet	33,346	5,711
Derivatives Not Designated as Hedging Instruments | Customer foreign currency forward contracts
Derivative [Line Items]
Notional	12,455	8,341
Net amount presented in the Consolidated Balance Sheet	320	253
Net amount presented in the Consolidated Balance Sheet	59	42
Derivatives Not Designated as Hedging Instruments | Counterparty foreign currency forward contracts
Derivative [Line Items]
Notional	12,308	8,297
Net amount presented in the Consolidated Balance Sheet	68	72
Net amount presented in the Consolidated Balance Sheet	$ 181	$ 168